Handleiding
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Troubleshooting
The following symptoms do not indicate malfunction.
Symptom Cause
Water fl owing sound during operation. • Refrigerant fl ow inside the unit.
Operation is delayed a few minutes
after restarting.
• The delay is a protection for the compressor.
Outdoor unit emits water/steam. • Condensation or evaporation occurring in the pipes.
Steam comes out of the outdoor unit in
the heating mode.
• It is caused by defrost operation in the heat exchanger.
Outdoor unit does not operate. • It is caused by the protection control of the system when outdoor temperature is
out of the operating range.
System operation switches off. • It is caused by the protection control of the system. When the water inlet
temperature is lower than 10 °C, the compressor stops and the backup heater
power turns on.
System is hard to heat up. • When the panel and the fl oor are heated simultaneously, warm water temperature
may decrease, which may reduce the heating ability of the system.
• When the outdoor air temperature is low, the system may need longer time to heat
up.
• Discharge outlet or intake inlet in the outdoor unit is blocked by some obstacle,
such as a pile of snow.
• When the preset water outlet temperature is low, the system may need longer time
to heat up.
System does not heat up instantly. • System will take some time to heat up the water if it starts to operate at cold water
temperature.
Backup heater is automatically turned
ON when it is disabled.
• It is caused by the protection control of the indoor unit heat exchanger.
Operation starts automatically when
the timer is not set.
• Sterilization timer has been set.
Loud refrigerant noise continues for
several minutes.
• It is caused by protection control during deice operation at outdoor ambient
temperature lower than -10 °C.
*
1,
*
2
COOL mode is unavailable. • System has locked to operate in HEAT mode only.
Check the following before calling for servicing.
Symptom Check
Operation in HEAT/*
1,
*
2
COOL mode is
not working effi ciently.
• Set the temperature correctly.
• Close the panel heater/cooler valve.
• Clear any obstruction in the air inlet and air outlet vents of the outdoor unit.
Noisy during operation. • Outdoor unit or indoor unit has been installed at an incline.
• Close the cover properly.
System does not work. • Circuit breaker has tripped/activated.
Operation LED is not lit or nothing is
displayed on the Remote Controller.
• Power supply is working correctly, or a power failure has occurred.
*
1
The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.
*
2
Only displayed when COOL mode is unlocked (This means when COOL mode is available).
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Productinformatie
| Merk | Panasonic |
| Model | WH-UDZ09KE5 |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 5111 MB |
