ABB teach pendant not working — error codes to check
A dead or unresponsive pendant involves its cable, its power feed and the controller-side link. These fault codes point to the failing side before you swap the pendant.
40 ABB fault codes match this symptom — start with the most frequent ones below.
- 585Teach pendant fault
- 20100Under teach pendant control
- 20175Teach pendant fault
- 20570FlexPendant wiring error
- 31142Teach pendant serial line error
- 31143Teach pendant serial line overrun
- 31144Teach pendant serial line parity error
- 31145Teach pendant serial line framing error
- 31146Teach pendant serial line noise error
- 37206Power fault: 12V FlexPendant supply
- 90203Enabling device (FlexPendant) fault
- 10002Program pointer reset
- 10019Manual full speed mode confirmed
- 10020Execution error state
- 10262System log has been created
- 12700Missing time zone information
- 20203Enabling Device open
- 20224Enabling Device conflict
- 20324Incorrect argument for System IO Signal
- 31115Link console fault
- 38214SMB battery (axis) fault
- 40231Too high CPU load
- 41472Instruction Error
- 41660No space left for the new view
- 41661Assembly could not be found
- 41662Assembly could not be loaded
- 41663Instance could not be created
- 41850User interface already active
- 41902Speed override changed
- 41908Instruction Error
- 71153Parameter access problem
- 90213Safety chain / enabling chain fault
- 90224Enabling Device conflict
- 110490Weld Error Recovery IO Error
- 110671Module not saved
- 110790Timer not connected
- 110791Faulty configuration
- 111565SmarTac Error Recovery IO Error
- 111964Error event trigged
- 112060Stop of project ordered during start
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →