Danfoss Heat Pump Troubleshooting Guide Page 27
- Page / 34
- Table of contents
- BOOKMARKS
- Looking for support? 1
- Hot gas temperature too high 4
- Exchange valve jamming 6
- Phase drop or blown fuse 10
- Defective soft start 10
- Defective compressor 11
- VMIFB202 12
- Alarm Brine 14
- Alarm sensor 15
- Alarm communication 16
- Alarm com Air, DHP-A 16
- Phase drop 17
- Whistling expansion valve 18
- Loud compressor noise 18
- The compressor runs backwards 18
- Compressor fault 19
- Noise from the soft-starter 19
- Circulation noise 19
- Clicking 19
- Touching pipes – vibrations 20
- The heat pump is not level 21
- Defective G2 shunt (HGW) 26
- Positioning the outdoor unit 30
- Connection/wall lead-ins 30
- Defrosting problems 30
- Outdoor sensor/Defrost sensor 31
- Room sensor 32
- Installation 32
- Water does not get hot 33
- Extremely long heating time 33
- The safety valve leaks 33
- Water runs from the heater 33
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