TROUBLESHOOTING
1-45August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
Kaaaw sk
ERROR CODE D1522 Mismatch in cond. of safety circuit enabling device.
In a double safety circuit system, conditions set for contacts at the TRIGGER switch
circuit do not match.
If the trigger switch is not pressed firmly, only one con-
tact may engage resulting in this error. The trigger
switch has three positions and pressing too firmly may
disengage the trigger circuit.
Replace the teach pendant, teach pendant harness or controller harness to the teach
pendant connector.
Replace the 1KP board.
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ERROR CODE D1523 Mismatch in cond. of safety circuit enabling device.
In a double safety circuit system, conditions set for contacts at the EXTERNAL TRIG-
GER switch circuit do not match.
Inspect contacts on the EXT.TRIGGER switch and replace as necessary
.
Check for disconnection or short-circuit in external trigger wiring and repair as neces-
sary.
Replace the 1KP board.
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ERROR CODE D1524 Incorrect operation of the safety relay.
Safety relay on the 1KQ board did not operate correctly.
Main causes include:
1. Defective controller harness.
2. Defective 1KQ board
3. Defective MC unit.
4. Defective 1KP board.
Replace controller harness.
Replace the 1KQ board
.
Replace the MC unit.
Replace the 1KP board.
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NOTE