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Operator Panel Controls PcOS Series 150 Programmer's Guide
Page 90 Rev G 12/14/99
Fault Indicators
If the printer indicates printer fault, the error is not recoverable. The printer must be restarted and
may lose information. To aid in printer troubleshooting, the RESUME key will activate an extended
diagnostic indication. This will blink the status indicator a number of times. The number of blinks
indicates the fault. The fault list follows.
Faults while in operation:
1 Motor move time-out
2 Motor move retry fault
3 Motor move fault (moved in wrong direction)
4 Space motor locked
5 Motor homing fault
6 Motor acceleration fault
7 Printing fault
8 Fault while centering
9 Forms compensation fault
Faults during Level 0 diagnostics:
10 ROM check-sum failure
11 RAM failure
12 Configuration EEPROM failure
13 Processor test fault
14 EEPROM check-sum failure
Faults that can happen at anytime:
15 Firmware control fault (loss of program control)
16 Cutter option fault
After the fault code is displayed, the printer can be restarted by pressing the RESUME and RELEASE
keys simultaneously.
If the EEPROM check-sum fault occurs (Fault Code 14), the EEPROM can be set to default by
pressing the RESUME and LF keys simultaneously. The printer will be functional but must be
reconfigured. This procedure is only to allow reconfiguration and not to recover printer function in
the field.
If the indication is printer failure, the printer controller is not running and is being held in reset. If
this failure occurs, the printer is not functional and should be serviced.
If the printer appears to go through a power cycle by itself, the hardware watchdog has detected a
fault. This fault is generally a hardware failure or an external interference. If the fault is hardware,
the printer will continue to cycle through its diagnostics and then reset. If this happens, the printer
must be serviced. If the fault is caused by external interference like electrostatic discharge (ESD), the
printer will generally recover by itself. (Note: The parallel port INIT pin causes a soft reset.)