Filter
Top Products
2-26 Service Manual
937 .4 Overspeed detected
during speed control.
Motor is type 0.
• Faulty motor sensor
• Faulty system board
Go to “Main drive service
check” on page 2-105.
937 .41 Overspeed detected
during speed control.
Motor is type 1.
• Faulty motor sensor
• Faulty system board
Go to “Main drive service
check” on page 2-105.
937 .5 Overspeed detected
during position control.
Motor is type 0.
• Faulty motor sensor
• Faulty system board
Go to “Main drive service
check” on page 2-105.
937 .51 Overspeed detected
during position control.
Motor is type 1.
• Faulty motor sensor
• Faulty system board
Go to “Main drive service
check” on page 2-105.
937 .7 Loss of lock detected by
higher level code. Motor
is type 0.
• Defective motor cable
• Defective main drive motor
• Paper jams
Go to “Main drive service
check” on page 2-105.
937 .71 Loss of lock detected by
higher level code. Motor
is type 1.
• Defective motor cable
• Defective main drive motor
• Paper jams
Go to “Main drive service
check” on page 2-105.
937 .80 Driver over temperature
detection. Motor is
type 0.
• Excessive gear loading in gearbox
assembly
Go to“Main drive service
check” on page 2-105.
939 .00 RIP–engine
communications lost.
System board POR the printer several times, if
the error code continues to be
displayed, replace the system
board. See “System board
and inner shield removal” on
page 4-76.
940 .00 LVPS zero-crossing test
failed.
• Incorrect LVPS installed
• Noisy AC power source
• LVPS to system board cable loose
Check to make sure the correct
LVPS assembly has been
installed. If the correct supply is
installed, check to make sure
the LVPS to system board cable
is installed correctly. If correct,
replace the LVPS assembly.
See “Low voltage power
supply removal” on
page 4-54.
947 .00 PQET RAM test
incomplete,
PQET RAM test did not
complete,
PQET RAM test failed
MARCH0
PQET RAM test failed
MARCH1
PQET RAM test busy
failure
PQET failed to pass RAM tests on the
system board
Replace the system board. See
“System board and inner
shield removal” on page 4-76.
948 .00 Pel clock check failed System board Replace the system board. See
“System board and inner
shield removal” on page 4-76.
Service error codes (9xx.xx) (continued)
Error
code
Sub
codes
Display text Description Action