Daikin RTSQ10PY1 - E6 Outdoor Unit: STD Compressor Motor Overcurrent;Lock

SiBE31-801_C Troubleshooting by Indication on the Remote Controller
Troubleshooting 250
4.18 “
E6
” Outdoor Unit: STD Compressor Motor Overcurrent/
Lock
Remote
Controller
Display
E6
Applicable
Models
RTSQ8P~16P (Outdoor Unit)
Method of
Malfunction
Detection
Detects the overcurrent with current sensor (CT).
Malfunction
Decision
Conditions
Malfunction is decided when the detected current value exceeds the below mentioned value for
2 seconds.

400 V unit : 15.0 A
Supposed
Causes

Closed stop value

Obstacles at the air outlet

Improper power voltage

Faulty magnetic switch

Faulty compressor

Faulty current sensor (A6P, A7P)
Troubleshooting
Note:
∗
1 One of the possible factors may be chattering due to rough MgS contact.
∗
2 Abnormal case

The current sensor value is 0 during STD compressor operation.

The current sensor value is more than 15.0A during STD compressor stop.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the stop valve open?
NO
YES
Is the power supply
voltage normal?
YES
NO
NO
YES
Is the magnetic switch
(K2M, K3M) normal?
(*1)
NO
YES
Obstacle exists around
the air outlet.
In case of the models RTSQ14P
and 16P, identify the relevant
compressor while in monitor mode.
Check the wiring from power supply ~ current sensor (A6P, A7P) ~
MgS (K2M, K3M) ~ compressor
Is above wiring
correct?
NO
YES
NO
YES
Is current sensor
correct? *1
Open the stop valve.
Remove the obstacle.
Correct the power voltage.
Replace the magnetic
switch.
Correct wiring.
Replace the corresponding
current sensor (A6P or
A7P).
Replace the compressor.