Troubleshooting by Indication on the Remote Controller
SiBE37-701_B
293
Troubleshooting
3.21
“
E7
”
Outdoor Unit: Malfunction of Outdoor Unit Fan
Motor
Remote
Controller
Display
E7
Applicable
Models
REYQ8P~48P
Method of
Malfunction
Detection
Detect a malfunction based on the current value in the INVERTER PCB (as for motor 2, current
value in the fan PCB).
Detect a malfunction for the fan motor circuit based on the number of rotation detected by hole
IC during the fan motor operation.
Malfunction
Decision
Conditions
Overcurrent is detected for INVERTER PCB (A2P) or fan INVERTER PCB (A5P)
(System down is caused by 4 times of detection.)
In the condition of fan motor rotation, the number of rotation is below the fixed number for
more than 6 seconds. (System down is caused by 4 times of detection.)
Supposed
Causes
Failure of fan motor
Defect or connection error of the connectors/ harness between the fan motor and PCB
The fan can not rotate due to any foreign substances entangled.
Clear condition: Continue normal operation for 5 minutes
Summary of Contents for REYQ8-48PY1B
Page 1: ...Service Manual REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701_B ...
Page 456: ...Piping Installation Point SiBE37 701_B 445 Appendix ...
Page 460: ...Example of connection SiBE37 701_B 449 Appendix ...
Page 476: ...Revision History Date News No Contents 2010 9 10 M 10011 Correction of service manual ...