Tektronix PHASER 840 Quick Reference Manual page 43

Table 4 Front panel and fault history log error codes and messages
Error code
13,034.46 (0x6c22):
TCH_RESERVOIR_
SHORT
13,035.47 (0x6c23):
TCH_RESERVOIR_HOT
13,036.48 (0x6c24):
TCH_RESERVOIR_
SLOW
14,000: Cap/wipe/purge thermals
14,001.42 (0x7c01):
TCC_THERMISTOR_
OPEN
14,002.43 (0x7c02):
TCC_THERMISTOR_
SHORT
14,003.44 (0x7c03):
TCC_THERMISTOR_
HOT
14,004.45 (0x7c04):
TCC_THERMISTOR_
SLOW
15,000: Drum thermals
15,001.42 (0x7c01):
TCD_THERMISTOR_
OPEN
15,002.43 (0x7c02):
TCD_THERMISTOR_
SHORT
15,003.44 (0x7c03):
TCD_THERMISTOR_H
OT
15,004.45 (0x7c04):
TCD_THERMISTOR_
SLOW
15,005.4x TCD_FAN
BLOCKED
16,000: Preheater thermals
16,001.43 (0x8401):
TCP_THERMISTOR_
OPEN
Meaning
The thermistor in the reservoir appears to be shorted.
Replace the printhead.
The reservoir heater is running away. Unplug the printer
NOW!
The reservoir heater is not heating at all, or is not heating
as quickly as it should.
The cap/wipe/purge thermistor appears to be open.
Replace the drum temperature sensor.
The cap/wipe/purge thermistor appears to be shorted.
Replace the drum temperature sensor.
The cap/wipe/purge heater is running away. Unplug the
printer NOW!
The cap/wipe/purge heater is not heating at all, or is not
heating as quickly as it should. Check for an open
connection or open thermistor in power supply.
The drum thermistor appears to be open. Replace the
drum temperature sensor.
The drum thermistor appears to be shorted. Replace the
drum temperature sensor.
The drum heater is running away. Unplug the printer
NOW! Verify that the vent on the right side of the printer is
not blocked.
The drum heater is not heating at all, or is not heating as
quickly as it should. Check for an open connection or
open thermistor in power supply.
The drum fan is not rotating properly.
The preheater thermistor appears to be open. Replace
the paper preheater.
Service Guide
33