Panasonic WH-MDC09C3E5 Manual Del Usuario página 10

TROUBLESHOOTING
The following symptoms do not indicate malfunction. The following symptoms do not indicate malfunction.
Flowing sound during operation.
Operation is delayed a few minutes after restarting.
Mono bloc unit emits water/steam.
Mono bloc unit emits steam during heating mode.
Mono bloc unit does not operate.
(Mono bloc) Air-to-water Heatpump system operation will
turn off.
System diffi cult to heat-up.
System cannot get warm instantly.
Backup heater turn ON automatically when it is not
enabled.
Operation starts automatically even without ON Timer.
Check the following before calling for servicing. Check the following before calling for servicing.
Heating/cooling operation is not working effi ciently.
Noisy during operation.
The unit does not work.
Operation LED is no lit or remote control display is blank.
The operation LED blinks and error code appear on remote control display. The operation LED blinks and error code appear on remote control display.
TIMER
TIMER
1 2 3 4 5 6
MONTUEWEDTHU FRI SAT SUN
ON
OFF
Force Heater Mode Button Force Heater Mode Button
FORCE
10
SYMPTOM SYMPTOM
SYMPTOM SYMPTOM
• Turn the unit off and reveal the error code to authorized dealer.
• Timer operation cancel when error code occur.
• In case of a failure of the (Mono bloc) Air-to-Water Heatpump system, the backup heater can be
used to heat up the heating water. Press
OFF / ON
• Press to stop the force heater operation.
• During Force Heater mode, all other operations are not allowed.
► • 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.
► • The heatpump system enter protection control. Compressor
stops by water inlet temperature lower than 18°C; and
backup heater power turn on by water inlet temperature
lower than 23°C.
► • When heating is operated 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 mono bloc 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.
► • The turn ON of backup heater is a protection to the
indoor unit's heat exchanger.
► • The sterilization timer has been set.
► • Set the temperature correctly.
• Is the panel heater valve closed.
• Clear any obstruction at the air inlet and air outlet vents
of mono bloc 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.
FORCE
to switch on the backup heater.
CAUSE CAUSE
CHECK CHECK