Thermann TH160GLG - Page 26

Thermann Installer's Manual
Thermann X Split Heat Pump
26
Error
Code
Error Contents Corrective Action
HJ Water circuit error
- Check the inlet water valve.
- Check for any piping bend, blocking, kink
or frozen.
- Measure resistance of each thermistor.
- Measure resistance of coil of expansion
valve to check open or short circuit.
- Replace the main PCB or heat pump.
EC High water outlet error
- Check the water circuit is not flowing by
air, dirt or scaling.
- If the water circulation pump is not
working, replace the pump.
- Measure resistance of water outlet
(outgoing) thermistor.
- Replace the main PCB.
E9 Water circulation pump error
- Check the water is full fill in the tank.
- If the water circulation pump is not
working, replace the pump.
- Check the revolution of pump by
controller. If the revolution is low, replace
the pump.
- Replace the main PCB
E7 Fan motor locked
- Remove foreign objects around the fan
motor.
- Check the fan motor connections on the
main PCB.
- Replace the main PCB.
F3 Discharge temperature error
- Measure resistance of the discharged
thermistor.
- Replace the main PCB or heat pump.
ERROR CODE LIST (CONT.)