TROUBLESHOOTING
M-5, M-6
M-5 When starting switch is turned ON, monitor panel lamps all
stay lighted up and do not go out
Cause
Defective monitor panel
Remedy
Replace
lighted up on monitor
M-6 When starting switch is turned ON, items
panel are different from machine model
* Before carrying out troubleshooting, check that all the related connectors are properly inserted.
* Always connect any disconnected connectors before going on to the next step.
YES
1
Is display of
monitoring code 01
as shown in Table
l?
2
. Turn starting
Do bits (I),, (‘2), (3)
switch ON.
_ of monitonng code .
* Set to
NO 36 light up as
monitoring code
shown in Table l?
01
Turn starting
* switch ON.
l Set to
h
monitoring code
36
1
A
I !ES
3 YES
Is voltage between
_ PO2 (4) (5) (6) -
10 chassis as shown
m Table 2?
- Turn startino NO
switch ON.
able 1
.:ON
D: OFF
_ Table 2
Cause
Defective monitor panel
Defective contact, or
disconnection in wiring
harness of PO2 (female) (4)
(5) (6)
Remedy
i-
Replace
Repair or
replace
Connector PO2
Between (4) - GND
PC200
PC21 0
20-30V
PC220
PC250
Max. 1 V
Between (5) - GND
Between (6) - GND
20-30V
Max. 1 V
20-30V
Max. 1 V
20-247
0
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