Error Codes
Display Description Cause/ Corrective Action
Fan or Drive Motor Error (1) (Design 6) Communication Error Check wiring between I/O board and in-
verter.
Fan or Drive Motor Error (2) Fan or Cylinder Motor High DC Bus Error Voltage to fan/cylinder is too high. Un-
power machine to clear error. Check volt-
age input and check wiring to machine.
Replace fan/cylinder motor if error per-
sists.
Fan or Drive Motor Error (3) (Design 6) Motor Not Connected Error Check motor wiring.
Fan or Drive Motor Error (4) Fan or Cylinder Motor Stall Error Check that fan or cylinder turns freely,
make sure machine is not overloaded. Er-
ror can be cleared by any key press.
Fan or Drive Motor Error (5) (Designs 3
and 5)
Fan or Cylinder Motor Coherence Check
Error
Check that fan wheel spins freely. Cylinder
error can be caused by an unbalanced load.
Try to redistribute the load and lengthen
the reversing pause time if reversing is en-
abled. Error can be cleared by any key
press.
Fan or Drive Motor Error (5) (Design 6) Back EMF Error Check motor wiring.
Fan or Drive Motor Error (6) Fan or Cylinder Motor IPM Overtemp Er-
ror
IPM temperature is detected too high.
Check that heat sink on the motor(s) is
clear of lint or any other obstruction and
check that cylinder spins freely when emp-
ty. Design 6, clean inverter drive compart-
ment. Replace motor(s) or inverter drive if
error persists.
Fan or Drive Motor Error (7) (Design 6) Drive Enable Error Check the inverter drive enable wiring be-
tween H6 header on I/O board and inverter
drive.
Fan or Drive Motor Error (8) (Designs 3
and 5 only)
Fan or Cylinder Motor Current Limit Error Check that fan/cylinder turns freely, make
sure machine is not overloaded. Replace
fan/cylinder motor if error persists.
Fan or Drive Motor Error (9) (Designs 3
and 5 only)
Fan or Cylinder Motor 460V Drive Over-
current
Check that fan/cylinder turns freely, make
sure machine is not overloaded. Replace
fan/cylinder motor if error persists.
Fan or Drive Motor Error (10) Fan or Cylinder Motor Low DC Bus Error Voltage to motor(s) or inverter drive is too
low. For 120V machines, make sure wire
harness jumper is connected which con-
nects pins 1 and 2 of the 5-pin connector
on the motor. Check voltage input and
check wiring to machine. Replace motor(s)
or inverter drive if error persists.
Table 17 continues...
Machine Errors
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55 Part No. 70549501ENR6
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