Panasonic WH-TX30B9E8 Operating Instructions Manual page 8

TROUBLESHOOTING TROUBLESHOOTING
The following symptoms do not indicate malfunction. The following symptoms do not indicate malfunction.
Symptom Symptom
System diffi cult to heat-up.
System cannot get warm instantly.
Operation starts after power resumes.
Check the following before calling for servicing. Check the following before calling for servicing.
Symptom Symptom
Heating operation is not working effi ciently.
Noisy during operation.
The unit does not work.
Operation LED is no lit or control panel display
is blank.
Sanitary water pressure is low.
The operation LED blinks and error code appear on control panel display The operation LED blinks and error code appear on control panel display
• Turn the unit off and reveal the error code to authorized dealer.
8
Cause Cause
• When outdoor air temperature or heater set temperature is low, it may
be diffi cult to get warm.
• Due to the nature from the heatpump system, it may take some time to
heat-up the tank water if the unit is operated from cold-start.
• Unit is operates under auto restart function.
Check Check
• Set the temperature correctly.
• Is the panel heater valve closed.
• Check if the unit has been installed at an incline or the cover is not
closed properly.
• Check if the circuit breaker is tripped.
• Is the power supply off or power failure.
• Check if the main water supply is normally.
• Check if the fi lter is dirty.
C
C
TANK BOTTOM ERROR
C