Panasonic WH-MDF09C3E8, Service Manual

Page: 58 / 129

58
12.1.7 Fan Motor Operation
Fan motor is adjusted according to operation condition. It starts when compressor starts operation and it stops 30
seconds after compressor stops operation.
12.2 Water Pump
12.2.1 Water Pump Control
š
Once the indoor unit is ON, the water pump will be ON immediately and no error judgement for 9 minutes.
However, during this 9 minutes operation, if there is any abnormality cause at outdoor or malfunction, the
compressor should be OFF immediately and restart delay after 3 minutes.
š
The system will start checking on the water flow level after operation start for 9 minutes. If water flow level is
detected low continuously for 10 secs, the water pump and compressor will be OFF permanently and OFF/ON
remote control LED will blink (H62 error occurs).
š
When error happen, the power has to be reset to clear the error.
š
If there is no error indication, the water pump shall be continuously running.
š
The water pump will remain ON when compressor OFF due to thermostat OFF setting is reached.
12.2.2 Water Pump Only Operation
š
Water pump only circulation can be set from the control panel SERVICE S/W when the operation is in Standby
Mode.
š
Press the SERVICE S/W for continuous 5 sec to enter Service Mode.
š
In Service Mode, select Sr:02 and press SET S/W to start water pump only operation.
š
Water pump will stop operation when H62 is triggered.
š
Press the OFF/ON button to stop the water pump only operation.