Midea V8 VRF Series User Manual

V8 VRF Indoor Units
101
Troubleshooting Guide
6.1.53 J5E - Motor startup failure
Error display
Digital display
Display position
Panel or display box
Wired controller
Spot check interface
query
Error code is not
displayed
Error impact
The faulty IDU stops. Other IDUs of the same system: operate normally.
ODU of the same system: operate normally.
Error trigger
Motor startup failure
Error recovery
Automatic recovery
Possible cause
 The fan is blocked by foreign material or the motor is damaged and cannot rotate.
 The fan drive board is damaged.
 The IDU main control board is damaged.
Troubleshooting
J5E
Cause 2: The fan is blocked by foreign
matters and cannot rotate
Cause 1: Measure the inter-turn
winding resistance between the red,
white, and black wires of the motor
power cable. If there is a short circuit or
an open circuit, the motor is damaged
Replace the motor
Remove foreign
matter.
Cause 3: The fan drive board is
damaged
Replace the fan drive
board (1)
Cause 4: If the error cannot be
cleared after causes 1/2/3 have been
eliminated, the main control board of
the IDU is damaged
Replace the main
control board of the
IDU
Note 1: Please observe the following rule when replacing the fan drive board: For units whose fan
drive board is welded onto the main control board, if either the fan drive board or main control
board becomes faulty, the whole control board has to be replaced.

Midea V8 VRF Series Specifications

General

Brand	Midea
Model	V8 VRF Series
Category	Air Conditioner
Language	English