10 Troubleshooting
Important
• Read the Warnings (figure 1) and Refrigerant Control/Reporting (figure ) before doing any work
on the Living HP unit.
If operational disturbance would occur, the bellow schedule should be followed before contacting service
personnel. Always check if there are any alarm indications in the Living HP unit control panel. Remember
that the compressor have 3 minute delay before starting.
1.
Compressor do not start
• Check if there are any alarm messages
• Check if mains supply to the heat pump section is not missing. Inspect external fuses and safety
switch
2.
Fan(s) do not start
• Check if there are any alarm messages
• Check if mains supply to the air handling section is not missing
• Check that the fuses are not defect
3.
Reduced airflow
• Check that extract/exhaust (in winter) and fire/smoke (in summer) air dampers open
• Check if filters need changing
• Check if fan and evaporator coils need cleaning
• Check ducts for visible damage and/or build up of dust/pollution
4.
Noise/vibrations
• Check that the unit is completely levelled
• Clean the fan impellers
• Check that the screws holding the fan are tightened properly
• Check anti vibration pads and flexible connections
Operation and Maintenance Instructions
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Systemair AB
