E6" Compressor Motor Overcurrent/Lock (Std Compressor) - Daikin REYQ72 Serveice Manual

Troubleshooting by Indication on the Remote Controller
2.17 " E6 "
Compressor Motor Overcurrent/Lock (STD Compressor)
E6
Remote
Controller
Display
Applicable REYQ72M, 96M
Models
Method of Detects the overcurrent with current sensor (CT).
Malfunction
Detection
Malfunction Malfunction is decided when the detected current value exceeds the below mentioned value for
Decision 2 seconds.
Conditions
Supposed
Causes
Troubleshooting
Note: Abnormal case
146
200 V unit : 34.0 A
Closed stop value
Obstacles at the discharge port
Improper power voltage
Faulty magnetic switch
Faulty compressor
Faulty current sensor
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the stop valve open?
YES
Obstacle
exists around the air
discharge port.
NO
Is the power
supply voltage
normal?
YES
Is the
magnetic switch
(K2M, K3M)
normal?
YES
Check the wiring from power supply ~ current sensor (A5P, A6P) ~
MgS (K2M, K3M) ~ compressor
Is
above wiring
correct?
YES
Is
current sensor
correct?
YES
The current sensor value is 0 during STD compressor operation.
The current sensor value is more than 15.0A during STD compressor operation.
NO
YES
NO
NO
NO
NO
SiUS39-602
Open the stop valve.
Remove the obstacle.
Correct the power voltage.
Replace the magnetic
switch.
Correct wiring.
Replace the corresponding
current sensor
(A5P or A6P).
Replace compressor.
(V3051)
Troubleshooting