7. Troubleshooting
GT-541
113
Error Messages of Maintenance Unit
Error
code
Message
Meaning
Solution
CA
Cap Driver Overheat
The operation stopped because
the Cap Driver has overheated.
**
CC
Wiper Cleaner
Cassette error
Wiper Cleaner Cassette is coming
off.
**
CE
Communication error Communication error other than
FE, OE and PE
**
CI
Cap initialization error The Cap initialization was not
made before moving the Cap.
**
CO
Cap error
The Cap was in the raised position
when moving the Wiper.
**
CP
Cap Sensor error
Failure of the Cap Sensor or Cap
Motor
**
FE
Data framing error
Serial communication/data framing
error occurred.
**
IE
Internal error
Incorrect program behavior
**
OB
Cap obstacle error
An obstacle prevents the Cap from
being raised.
**
OE
Data overrun error
Serial communication/buffer
overrun occurred.
**
PA
Pump Driver Overheat The operation stopped because
the Pump Driver has overheated.
**
PE
Parity error
Serial communication/parity error
occurred.
**
PI
Pump initialization
error
The Pump initialization was not
made before operating the Pump.
**
PN
The number of
arguments is different.
The number of arguments is
abnormal.
**
PS
Pump Sensor Error
Failure in the Pump sensor or
Pump motor
**
RT
Response timeout
Time-out of waiting for the
Maintenance Unit response
**
SH
Ink Sensor error
Failure in the Ink Sensor harness
**
SR
Ink Sensor error
Defect in the Ink Sensor reading
**
VC
Valve error
The valve is closed when moving
the Cap.
**
VO
Valve error
The valve is open when operating
the Pump.
**
WA
Wiper Driver Overheat The operation stopped because
the Wipe Driver has overheated.
**
WI
Wiper initialization
error
The Wiper initialization was not
made before moving the Wiper.
**
WS
Wipe Sensor error
Failure in the Wiper Sensor or
Wiper Motor
**