Mitsubishi Q12PRHCPU - Page 310

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8.1 Troubleshooting Flow
8.1.3 When the "SYSTEM A/B" LED is flashing
8
TROUBLESHOOTING
Diagram 8.5 Flow for the Case where the SYSTEM A/B LED is Flashing
YES
NO
NO
NO
Clear the control system CPU
module errors.( )
Is the
"SYSTEM A/B"
LED lit up solid
green?
Replace standby system's CPU
module.( )
Clear the control system CPU
module errors.( )
Clear the control system CPU
module errors.( )
Please contact the nearest Mitsubishi
represenative
, reseller or branch office
and explain the fault symptoms.
Replace control system's CPU
module.( )
Is the
"SYSTEM A/B"
LED lit up solid
green?
YES
YES
Is the
"SYSTEM A/B"
LED lit up solid
green?
2)1)
Completed
YES
NO
Is the "SYSTEM A/B"
LED lit?
Replacing the tracking cable
( )
Completed
Reset the errors of the control system
and standby system CPU modules.
( )
Power on the standby system.
Section 8.2
Section 8.3.9
Section 8.2
Section 8.3.1
Section 8.2
Section 8.3.1
Section 8.2