E6" Compressor Motor Overcurrent/Lock - Daikin VRV II RXYQ5MY1B Service Manual

Troubleshooting by Indication on the Remote Controller

2.17 "E6" Compressor Motor Overcurrent/Lock

E6
Remote
Controller
Display
Applicable Outdoor unit
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
192
400 V unit : 15.0 A
Closed stop value
Obstacles at the discharge port
Improper power voltage
Faulty magnetic switch
Faulty compressor
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
(52C) normal?
YES
NO
YES
NO
NO
SiE39-404
Open the stop valve.
Remove the obstacle.
Correct the power voltage.
Replace the magnetic
switch.
Replace the compressor.
(V3051)
Troubleshooting