Service Manual -
B-VMHxxAV-1
Troubleshooting 37
7.14 PC 08(Current overload protection)/PC 44(Outdoor unit zero speed protection)/ PC
46(Compressor speed has been out of control)/PC 49(Compressor overcurrent failure)
diagnosis and solution
Description:
An abnormal current rise is detected by checking the specified current detection circuit.
Recommended parts to prepare:
• Connection wires
• Rectifier
• PFC circuit or reactor
• Blocked refrigeration piping system
• Pressure switch
• Outdoor fan
• IPM module board
• Outdoor PCB
Troubleshooting and repair:
Summary of Contents for Comfort-Aire Century A-VMH18SV-1
Page 30: ...Service Manual B VMHxxAV 1 ...
Page 37: ...Service Manual B VMHxxAV 1 Outdoor Unit 3 3 Panel Plate X430 Square grille ...
Page 38: ...Service Manual B VMHxxAV 1 Outdoor Unit 4 4 Panel Plate D30 Square grille ...
Page 39: ...Service Manual B VMHxxAV 1 Outdoor Unit 5 5 2 Service Place Minimim 4 Recommended 12 ...
Page 42: ...Service Manual B VMHxxAV 1 Outdoor Unit 8 8 A VMH18SV 1 A VMH24SV 1 ...
Page 45: ...Service Manual B VMHxxAV 1 ...
Page 103: ...Service Manual B VMHxxAV 1 Troubleshooting 15 ...