Troubleshooting - Panasonic WH-SXH09D0E8 Operating Instructions Manual

TROUBLESHOOTING

The following symptoms do not indicate malfunction. The following symptoms do not indicate malfunction.
Water fl owing sound during operation.
Operation is delayed a few minutes after restart.
Outdoor unit emits water/steam.
Outdoor unit emits steam during heating mode.
Outdoor unit does not operate.
Air-to-Water Heatpump system operation will turn off.
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.
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.
The operation LED blinks and error code appear on control panel display. The operation LED blinks and error code appear on control panel display.
TIMER
TIMER
1 2 3 4 5 6
MONTUEWEDTHU FRI SAT SUN
ON
OFF
8
SYMPTOM SYMPTOM
SYMPTOM SYMPTOM
• Turn the unit off and reveal the error code to authorized dealer.
• Timer operation cancel when error code occur.
► • Refrigerant fl ow inside the unit.
► • The delay is a protection to the unit's compressor.
► • Condensation or evaporation occurs on pipes.
► • This is due to defrost operation happens at the heat
exchanger.
► • When the outdoor temperature is out of the operation
condition range, the heatpump system enter protection
control.
► • If indoor unit water inlet temperature is lower than 20°C.
Please set the heater of tank more than 20°C.
► • When heating is operated by indoor unit together with
fl oor heating or panel heater simultaneously, there
may be case where warm water temperature is getting
lower and cause fl oor heating or panel heater heat-up is
weaken.
• When outdoor air temperature is low, it may be diffi cult to
get warm.
• Is the snow pile blocking the discharge outlet or intake
inlet of outdoor unit.
• When water outlet set temperature is low, it may be
diffi cult to get warm.
► • Due to the nature of the heatpump system, it may take
some time to heat-up the water if the unit is operated
from cold-start.
► • Auto restart is in function and operates under.
► • Set the temperature correctly.
• Is the panel heater valve closed.
• Clear any obstruction at the air inlet and air outlet vents
of outdoor unit.
► • 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.
CAUSE CAUSE
CHECK CHECK