ABB IRC5 Operating Manual page 150

5 Troubleshooting by event log
5.4 2 xxxx
Continued
20531, Delayed Stop conflict
Description
Status conflict for the delayed stop circuit.
Consequences
The system goes to status SYS HALT.
Recommended actions
Check cables and connections.
20534, Mode selector conflict
Description
Any of the connections to the mode selector are faulty.
Consequences
The system goes to status SYS HALT.
Recommended actions
Check cables and connections.
20535, AUX Interlock conflict
Description
Only one of the two AUX interlock chains was opened. Normally
used on CBS door interlock.
Consequences
Paint enable chain opens.
Recommended actions
Check cables and connections.
20536, Motor on chain conflict
Description
Only one of the two motor on chain signals in run chain is
opened.
Consequences
The system goes to status SYS HALT.
Recommended actions
Check cables and connections.
20550, Glitch test fault
Description
Status active when firmware on Process Interface Board (PIB)
did not detect any glitch test pulse for 30 seconds.
Consequences
The system goes to status SYS HALT.
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150
Recommended actions
Check other error messages for primary fault reason. Check
for communication problems between PIB and Main Computer
(MC).
20556, Enable 2 AXC 1 open
Description
Status active when enable from Axis Computer 1 open.
Consequences
The system goes to status SYS HALT.
Recommended actions
Check other error messages for primary fault reason. If no other
error messages, please check line voltage for one phase
missing.
20557, Enable 2 AXC 2 open
Description
Status active when enable from Axis Computer 2 open.
Consequences
The system goes to status SYS HALT.
Recommended actions
Check other error messages for primary fault reason. If no other
error messages, please check line voltage for one phase
missing.
20558, Manipulator fault
Description
Status active when power to manipulator arg connected to
Manipulator Interface Board (MIB) arg is lost, or manipulator's
enable chain conditions is not OK.
Consequences
The system goes to status SYS HALT.
Recommended actions
Check the power to the manipulator. Check that the enable
chain on Manipulator Controller Board (MCOB/MCB) is OK.
Check for over temperature in Manipulator motors. Check
manipulator signals through Power Distribution Board (PDB).
See the Circuit Diagram.
20559, Collision sensor active
Description
Status active when digital collision sensor on Manipulator
Controller Board (MCOB) arg is active.
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Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA