6 TROUBLESHOOTING
6-1 Check Before and After Troubleshooting
(A)
Check power supply wiring.
• Check the power supply wires are correctly connected.
(B)
Check power supply.
• Check that voltage is in specified range (±10% of the rating).
• Check that power is being supplied.
• WARNING: If the following troubleshooting must be done with power supplied,
be careful not to touch any uninsulated live part that can cause
eletric shock
6-2 Circuit Breaker Trips or Fuse Blows
• When circuit breaker is set to ON, it trips in a few moments. Resetting is not possible.
• Measure insulation resistance. There is a possibility of ground fault.
If resistance value is 1 Mohm or less, insulation is defective.
6-3 Circuit Breaker Trips in Several Minutes
After Turning Air Conditioner On
1 • There is the possibility of short circuit.
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Содержание MPAF188C5TAA
Страница 11: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagram HEAT PUMP MODELS COOLING MODELS 11 ...
Страница 27: ...6 5 Some Parts of the Air Conditioner Do Not Operate 27 ...
Страница 28: ...6 6 Air Conditioner Operates but Abnormalities are Observed 28 ...
Страница 29: ...29 ...
Страница 30: ...6 7 Poor Cooling or Heating 30 ...
Страница 31: ...6 8 Excessive Cooling or Heating 6 9 A Sensor Is Defective 31 ...
