Ewellix CAHB-2 Series User Manual

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9.0 Malfunctions
10.1 Troubleshooting
Symptom Checkpoint Possible cause Action (Possible Solution)
Actuator w ill not
extend/retract
No voltage or amp draw No power given Check power supply
Lack of plug contact or plug has
not been inserted properly
Check plug and insert properly
Defective cable or power plug (may
be damaged)
Send actuator for repair
Propervoltage,noampdraw
Thermal overload cut-out (when
overheated)
Letcool,checkdutycycle
Dead motor Send actuator for repair
Lifespan of the actuator is
exceeded
If the actuator has performed more
than5kmdoublestrokes,the
actuator needs to be replaced.
Propervoltage,ampdraw
present,butclutchslips
Actuator overloaded Check rated load or remove all
obstacles in the stroke area
Clutch worn Send actuator for repair
LS activator damaged Send actuator for repair
Propervoltage,ampdraw
present,clutchnotslips
Gear wheel or nut thread damaged Send actuator for repair
Actuator stops in mid-stroke
Clutchslips,amperagepresent Actuator overloaded
Check rated load or check voltage
(maybe too low)
Clutchdoesn’tslip,noamperage Thermal cut-out Letcool,checkdutycycle
Clutchdoesn’tslip,amperage
present
Motor stalled Check voltage too low
Actuator cannot lift full load or
Signicantlyreducedspeed
Propervoltage,ampdraw
present
Cutch is worn Send actuator for repair
Motor is damaged Send actuator for repair
Insucientpowersupply Increase power supply
Voltagedropincable Thicker cable
Apply under lower temperature
(performance would degrade
below 0 °C)
Contact Ewellix for suitable
actuator type
Signicantincreaseinnoise
Big amperage
Obstacle in the stroke area of the
linear actuator
Remove all obstacles in the stroke
area
Big amperage Incorrect load Check rated load
Abnormal noise Motor,gearorscrewnutdamaged
Send actuator for repair or replace
the actuator
No signal from POT
or Hall sensor
No voltage
Lack of signal wires contact or
plug has not been inserted
properly
Check connect and insert properly
Abnormal voltage present
Wrong connect led to components
failed
Send actuator for repair
10.2 Start of operation
after xing malfunction
Afterthemalfunctionhasbeenxed,performthestepsfrom
the chapter Installation prior to restart.

Ewellix CAHB-2 Series Specifications

General

Brand	Ewellix
Model	CAHB-2 Series
Category	Controller
Language	English