Så här står det i service manual:
Water Pump
12.2.1. Water Pump Control
1. 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.
2. 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 1 minute, the water pump and compressor will be OFF permanently and OFF/ON control panel LED will blink
(H62 error occurs).
3. The water pump will remain ON when compressor OFF due to thermostat OFF.
Kanske inte det enklaste att förstå detta?