Allen-Bradley ClutchBrake PLC-5 Series - Page 146

Troubleshooting with Fault Codes, Operator Prompts, and Snapshot Status BitsC–4
Publication 65566.5.1 - October 1996
Faults Associated with Processor B
B168/ Suggested Message Cause of Fault Effect of Fault How to Correct the Fault
080 Processor B
Communication Timeout
Remote I/O link (channel 1B) failed. C/B power is deenergized. Check remote I/O cable to chnl 1A.
Check port configuration.
081* Crowbar Relay B
Weld Fault
Crowbar relay B
welded closed.
C/B power is deenergized
and will not turn ON.
Check crowbar relay, wiring, and
operation of input module in slot 2.
082* Crowbar Relay B
Failed to Turn ON
Crowbar relay B
failed to close.
C/B power will not turn ON. Check crowbar relay, wiring, and
operation of input module in slot 2.
083* Controller OK relay
test failed
Not wired according to
latest drawings
C/B power will not turn ON. Change wiring per SW revision 1.3.
084* Seal Relay B
Timeout Fault
Seal relay B
failed to close.
C/B power will not turn ON. Check seal relay, wiring, and
operation of input module in slot 2.
085* Seal Relay B
Weld Fault
Seal relay B
welded closed.
C/B power is deenergized
and will not turn ON.
Check seal relay, wiring, and
operation of input module in slot 2.
086* EStop Relay
Failed to Turn ON.
EStop relay
failed to close.
C/B power will not turn ON. Check EStop relay circuit and
operation of input module in slot 2.
087* EStop Relay
Weld Fault
CRMB relay
welded closed.
C/B power is deenergized
and will not turn ON.
Check EStop relay circuit and
operation of input module in slot 2.
088 No Valid Mode Modeselect failed. C/B power will not turn ON. Check mode selector switch, wiring,
and operation of input module in slot 4.
089* Processor Mode Mismatch Each processor sees a different
mode.
Press will not stroke. Check mode selector switch, wiring,
and operation of input module in slot 4.
090 Processor B Station 1
Not Active nor Bypassed
Run button failure or
improper wiring.
Prevents single or continuous
stroking.
Check run buttons and wiring.
091 Processor B Station 2
Not Active nor Bypassed
Run button failure or
improper wiring.
Prevents single or continuous
stroking.
Check run buttons and wiring.
092 Processor B Station 3
Not Active nor Bypassed
Run button failure or
improper wiring.
Prevents single or continuous
stroking.
Check run buttons and wiring.
093 Processor B Station 4
Not Active nor Bypassed
Run button failure or
improper wiring.
Prevents single or continuous
stroking.
Check run buttons and wiring.
094 Processor B Station 1
Tiedown
Run button held too long before
pressing other Run button.
Press will not start a stroke in
single or continuous mode.
Release, then press run buttons
simultaneously. Check button wiring.
095 Processor B Station 2
Tiedown
Run button held too long before
pressing other Run button.
Press will not start a stroke in
single or continuous mode.
Release, then press run buttons
simultaneously. Check button wiring.
096 Processor B Station 3
Tiedown
Run button held too long before
pressing other Run button.
Press will not start a stroke in
single or continuous mode.
Release, then press run buttons
simultaneously. Check button wiring.
097 Processor B Station 4
Tiedown
Run button held too long before
pressing other Run button.
Press will not start a stroke in
single or continuous mode.
Release, then press run buttons
simultaneously. Check button wiring.
098 Processor B Run Stations
Tiedown
Among run stations, others must be
pressed after the first is pressed.
Press will not start a stroke in
single or continuous mode.
Press all run stations within timed
interval. Check button wiring.
099103 Spare
104 Inch Button
Tiedown
Inch button held too long before
pressing other Inch button.
Press will not inch. Release, then press inch buttons
simultaneously. Check button wiring.
105* Automatic singlestroke
cycle start fault
Automatic singlestroke not initiated Press will stop or not run. Check logic of your automatic
singlestroke cycle start.
106* Illegal RCLS Combination Software/hardware cams produced
invalid combination.
Press will stop or not run in
single or continuous mode.
Check soft cam logic or hard cams
for proper operation or settings.
107* Forward Transition
from Top
Software/hardware cams did not go
from top to downstroke.
Press will stop or not run in
single or continuous mode.
Check soft cam logic or hard cams
for proper operation or settings.
* To clear this latched fault bit, you must enable the fault reset bit or turn the modeselect switch to OFF.