|
0221 |
llsl llsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0223 |
llsl llll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0224 |
llls ssss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0225 |
llls sssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0226 |
llls ssls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0227 |
llls ssll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0228 |
llls slss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0229 |
llls slsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0230 |
llls slls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0231 |
llls slll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0232 |
llls lsss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0233 |
llls lssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0234 |
llls lsls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0235 |
llls lsll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0236 |
llls llss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0237 |
llls llsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0238 |
llls llls |
Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace |
|
0239 |
llls llll |
Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace |
|
0240 |
llll ssss |
Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace |
|
0255 |
llll llll |
- No connection between heater and control panel - Heater has no 12 V power supply - Control panel cable faulty |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0301 |
sl ssls llsl |
12 V power supply faulty (overvoltage) |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0302 |
sl ssls llls |
12 V power supply faulty (low voltage) |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0303 |
sl ssls llll |
Risk of low voltage. Battery voltage too low < 10.4 V |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0304 |
sl ssll ssss |
Relighting, normal combustion behaviour |
No action required |
|
0305 |
sl ssll sssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0401 |
sl lssl sssl |
Warning Water overheat condition |
Switch off heater and allow it to cool down. Fill boiler with water |
|
0402 |
sl lssl ssls |
Warning Air overheat condition |
Inspect the individual discharge openings / remove blockage to circulated air intake |
|
0407 |
sl lssl slll |
230 V power supply faulty |
Ensure 230 V power supply at appliance input |
|
0408 |
sl lssl lsss |
Gas supply interrupted in Mix mode |
Ensure gas supply with correct operating pressure |
|
0411 |
sl lssl lsll |
Risk of low voltage. Battery voltage too low < 10.4 V |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0412 |
sl lssl llss |
- Window switch detects open window - Bridge for window switch on Truma electronics interrupted |
- Close window - Check / replace window switch with cable |
|
0413 |
sl lssl llsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0414 |
sl lssl llls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0417 |
sl lsls sssl |
12 V power supply faulty (overvoltage) |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0418 |
sl lsls ssls |
12 V power supply faulty (low voltage) |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0420 |
sl lsls slss |
230 V power supply faulty (overvoltage) |
Ensure 230 V power supply at appliance input |
|
0421 |
sl lsls slsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0422 |
sl lsls slls |
Power reduction active |
Not all warm air outlets used. Inspect the individual openings / remove blockage to circulated air intake |
|
0501 |
sl llll slsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0502 |
sl llll slls |
Heater gets too hot or combustion air temperature sensor shows incorrect value |
Check / replace combustion air thermostat plate |
|
0503 |
sl llll slll |
Heater gets too hot or combustion air temperature sensor shows incorrect value |
Check / replace combustion air thermostat plate |
|
0504 |
sl llll lsss |
Combustion air temperature sensor out of tolerance |
Check / replace combustion air thermostat plate and cable harness |
|
0505 |
sl llll lssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0506 |
sl llll lsls |
Combustion air motor speed out of tolerance |
Replace combustion air motor kit |
|
0507 |
sl llll lsll |
Gas supply interrupted |
Ensure gas supply with correct operating pressure |
|
0508 |
sl llll llss |
Ionisation voltage present in Standby mode |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0509 |
sl llll llsl |
Ignitor current too high |
Replace ignitor |
|
0510 |
sl llll llls |
Solenoid valves incorrectly controlled |
Replace cable harness |
|
0511 |
sl llll llll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0512 |
ls ssss ssss |
Air temperature switch opened during operation due to overheating |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check temperature monitoring cable harness for damage, replace if necessary |
|
0513 |
ls ssss sssl |
Water temperature switch opened during operation due to overheating |
Check the connector latching of the contacts in plug X1 |
|
0514 |
ls ssss ssls |
Fault due to power interruption during operation |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0515 |
ls ssss ssll |
Combustion air motor speed out of tolerance |
Replace combustion air motor kit |
|
0516 |
ls ssss slss |
Gas supply interrupted |
Ensure gas supply with correct operating pressure |
|
0517 |
ls ssss slsl |
Gas supply interrupted |
Ensure gas supply with correct operating pressure |
|
0520 |
ls ssss lsss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0521 |
ls ssss lssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0522 |
ls ssss lsls |
Combustion air motor speed out of tolerance |
Replace combustion air motor kit |
|
0523 |
ls ssss lsll |
Ignitor current too high |
Replace ignitor |
|
0524 |
ls ssss llss |
Combustion air motor short circuit |
Check / replace combustion air motor |
|
0525 |
ls ssss llsl |
Combustion air motor current too high |
Check / replace combustion air motor |
|
0526 |
ls ssss llls |
Combustion air motor current too low |
Check / replace combustion air motor |
|
0527 |
ls ssss llll |
Ignitor current too low |
Replace ignitor |
|
0528 |
ls sssl ssss |
2 KW solenoid coil current too high |
Replace cable harness |
|
0529 |
ls sssl sssl |
4 KW solenoid coil current too high |
Replace cable harness |
|
0530 |
ls sssl ssls |
Safety valve solenoid coil current too high |
Replace cable harness |
|
0531 |
ls sssl ssll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0532 |
ls sssl slss |
2 KW solenoid coil current too high |
Replace cable harness |
|
0533 |
ls sssl slsl |
4 KW solenoid coil current too high |
Replace cable harness |
|
0534 |
ls sssl slls |
Safety valve solenoid coil current too high |
Replace cable harness |
|
0535 |
ls sssl slll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0536 |
ls sssl lsss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0537 |
ls sssl lssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0538 |
ls sssl lsls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0539 |
ls sssl lsll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0540 |
ls sssl llss |
During the self test: 12 V power supply faulty (overvoltage) |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system |
|
0541 |
ls sssl llsl |
During the self test: 12 V power supply faulty (low voltage) |
Ensure 12 V voltage under load at the appliance input and check for AC voltage components that can be generated by the power supply unit or solar system |
|
0542 |
ls sssl llls |
During the self test: Risk of low voltage. Battery voltage too low < 10.4 V |
Ensure 12 V voltage under load at the appliance input and check for AC voltage components that can be generated by the power supply unit or solar system |
|
0543 |
ls sssl llll |
During the self test: Relighting, normal combustion behaviour |
No action required |
|
0544 |
ls ssls ssss |
During the self test: Fault in the electronics |
Replace the electronics, enter heater serial number on the new electronics using the Truma Diagnose Tool |
|
0601 |
ls slsl lssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0602 |
ls slsl lsls |
Fault in the electronics |
Replace the electronics, enter heater serial number on the new electronics using the Truma Diagnose Tool |
|
0603 |
ls slsl lsll |
Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace |
|
0604 |
ls slsl llss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0605 |
ls slsl llsl |
Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace |
|
0606 |
ls slsl llls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0607 |
ls slsl llll |
Maximum number of fault resets reached The appliance is blocked if there are more than 4 fault resets within 15 minutes. |
Press the button (Service) on the electronics. Use Diagnose Tool to read out and remedy faults that caused the block. |
|
0608 |
ls slls ssss |
CP Plus initialisation does not match the heater |
Reinitialise CP Plus |
|
0609 |
ls slls sssl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0610 |
ls slls ssls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0611 |
ls slls ssll |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0612 |
ls slls slss |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0613 |
ls slls slsl |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0614 |
ls slls slls |
Fault in the electronics |
Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. |
|
0615 |
ls slls slll |
||
|
0616 |
ls slls lsss |
||
|
0617 |
ls slls lssl |
Electronics blocked: Because combustion air temperature sensor signals temperatures > 215 °C |
- Check heat exchanger for overheating damage - Check water container for frost damage - Check combustion air temperature sensor thermostat plate for damage / replace |
|
0619 |
ls slls lsll |
Water temperature sensor out of tolerance |
Replace water temperature monitoring cable harness |
|
0620 |
ls slls llss |
Air temperature sensor out of tolerance |
Check / replace temperature monitoring cable harness |
|
0621 |
ls slls llsl |
Room temperature sensor out of tolerance |
Check cable for room temperature sensor and plug connections |