Failure Code [Daz9Kq] Model Selection Sig Mismatch (A/C) - Komatsu PC88MR-10 Shop Manual

40 Troubleshooting
Troubleshooting by failure code (Display of code)

Failure code [DAZ9KQ] Model Selection Sig Mismatch (A/C)

Z0-A)
Action level Failure code
DAZ9KQ
Machine model in machine monitor program differs from that in air conditioner controller
Detail of
program.
failure
(Replaced machine monitor or air conditioner controller has wrong part No.)
Action of
controller
Problem on
Machine does not operate normally.
machine
Signal states (ON/OFF) of model selection signal can be checked by using monitoring
function (Code: 02201).
a Blade specification
Model selection signal 1: OFF
Model selection signal 2: OFF
Model selection signal 3: OFF
Model selection signal 4: OFF
Related
Model selection signal 5: ON
information
Model code specified by air conditioner controller program cannot be checked with
monitoring function.
Air conditioner control data of machine monitor (machine model and series) can be
checked with monitoring function. (Code: 55200)
Air conditioner control data (machine model and product series) stored in air conditioner
controller can be checked with monitoring function. (Code: 55201) (It is normal if control
data is "01" (which means PC).)
Method of reproducing failure code: Turn starting switch to ON position.
No. Cause
Defective machine
1
monitor
Defective air conditioner
2
controller
40-280
Model Selection Signal Mismatch (Aircon)
Failure
(Machine monitor system)
Procedure, measuring location, criteria, and remarks
Defective machine monitor
(Wrong machine model is programmed.)
Defective air conditioner controller
(Wrong machine model is programmed.)
(PC88MR-DAZ9KQ-400-A-
PC88MR-10