Panasonic WH-MHF12G9E8 Service Manual page 110
(mono bloc) air-to-water heat pump system
Hide thumbs
Also See for WH-MHF12G9E8:
- Planning and installation manual (117 pages) ,
- Operating instructions manual (100 pages)
Table of Contents
Advertisement
16.5.22 Compressor Overheating (F20)
Malfunction Decision Conditions:
During operation of heating, when temperature above 112°C is detected by the compressor tank temperature
sensor.
Malfunction Caused:
1
Faulty compressor tank temperature sensor.
2
2/3 way valve closed.
3
Refrigerant shortage (refrigerant leakage).
4
Clogged expansion valve or strainer.
5
Faulty outdoor unit PCB (main).
6
Faulty compressor.
Abnormality Judgment:
Continue 4 times in 30 minutes.
110
Advertisement
Table of Contents
