TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-46 August 9, 2005
Kaaaw sk
ERROR CODE D1525 Incorrect operation of MC (K1).
Main causes include:
1. Defective controller harness.
2. Defective magnetic contactor K1.
3. Defective MC unit (1KQ/1NQ board).
4. Defective 1KP board.
Replace controller harness
.
Replace magnetic contactor K1.
Replace MC unit
(1KQ/1NQ board)
.
Replace 1KP board.
_____________________________________________________________________
ERROR CODE D1526 Incorrect operation of MC (K2).
Main causes include:
1. Defective controller harness.
2. Defective magnetic contactor K2.
3. Defective MC unit (1KQ/1NQ board).
4. Defective 1KP board.
Replace controller harness
.
Replace magnetic contactor K2.
Replace MC unit
(1KQ/1NQ board)
.
Replace 1KP board.
_____________________________________________________________________
ERROR CODE D1527 Incorrect operation of MC (K3).
Main causes include:
1. Defective controller harness.
2. Defective magnetic contactor K3.
3. Defective MC unit (1KQ/1NQ board).
4. Defective 1KP board.
Replace controller harness
.
Replace magnetic contactor K3.
Replace MC unit
(1KQ/1NQ board)
.
Replace 1KP board.
_____________________________________________________________________