98
Service Manual
22:57 INITIALISATION MFC
The Motor Control Unit indicates error E.InI.
MFC not booted.
Internal message 57.
22:58 OVER SPEED
ERROR over speed in KEB Motor Control Unit.
Internal message 105.
Recommended actions:
1. Restart the machine.
22:87 OVERHEAT INT.
Warning: The Motor Control Unit indicates A.OHI.
Internal overheating in frequency controller. Can only be reset when internal temperature has dropped by 3 °C.
This is indicated by message A.nOHI. See also error code 22:92.
Internal message 87.
Recommended actions:
1. Switch off the main power to machine for 30 minutes.
2. Restart the machine.
22:88 NO OVERHEAT POWER MODULE
Warning: The Motor Control Unit indicates A.nOH.
Warning Overtemperature of power module heat sink is reset. See also error code 22:89.
Internal message 88.
Recommended actions:
1. Restart the machine.
22:89 OVERHEAT POWER MODULE
Warning: The Motor Control Unit indicates A.OH.
Overtemperature of power module heatsink. See also error code 22:88.
Internal message 89.
Recommended actions:
1. Switch off the main power to machine for 30 minutes.
2. Restart the machine.
22:90 EXTERNAL FAULT
Warning: The Motor Control Unit indicates A.EF.
External fault. This warning can be triggered if a digital input is programmed as external error input, and trips. Not
used in this application.
Internal message 90.
22:91 NO DRIVE OVERHEAT
Warning: The Motor Control Unit indicates A.ndOH.
Warning Drive motor overheat is reset. See also error code 22:96.
Internal message 91.
Recommended actions:
1. Restart the machine.
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