E7" Outdoor Unit: Malfunction Of Outdoor Unit Fan Motor - Daikin VRV III REYQ8PY1B Service Manual

Troubleshooting by Indication on the Remote Controller
E7
" "
3.18 Outdoor Unit: Malfunction of Outdoor Unit Fan
Motor
E7
Remote
Controller
Display
Applicable REYQ8P~48P
Models
Method of Detect a malfunction based on the current value in the INVERTER PC board (as for motor 2,
current value in the fan PC board).
Malfunction
Detect a malfunction for the fan motor circuit based on the number of rotation detected by hole
Detection
IC during the fan motor operation.
Malfunction
Decision
Conditions
Supposed
Causes
280
Overcurrent is detected for INVERTER PC board (A2P) or fan INVERTER PC board (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.)
Failure of fan motor
Defect or connect ion error of the connectors/ harness between the fan motor and PC board
The fan can not rotate due to any foreign substances entangled.
Clear condition: Continue normal operation for 5 minutes
SiBE37-701
Troubleshooting