Challenger HQ006, Инструкция по установке и эксплуатации

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QAD#IM6010 RevD 11.01.19
TROUBLE SHOOTING
The following instructions are offered for the most common difficulties encountered during installation and start up.
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Motor not running Open in control unit Refer to appropriate wiring diagram and check for continuity
Insulation resistance breakdown in motor Perform megger test
No power available to actuator Tripped circuit breaker Reset circuit breaker
Manual override nut hard to turn Valve stem improperly lubricated.
Actuator lubricant has broken down Lubricate with grease
Clean out old grease and replace with recommended lubricant
Valve packing gland too tight Loosen gland nuts as necessary
Jammed valve Refer to valve maintenance.
IMPORTANT : Do not un-jam valve using the manual override.
Remove actuator from valve and un-jam valve.
Valve only opens or closes partially with motor Limit switch improperly set Check setting and reset if necessary
Stripped gearing Replace as necessary Manual override nut will not operate valve
Broken hand wheel shaft Replace as necessary
Broken valve stem Repair or replace as necessary
Motor runs but will not operate valve Stripped gearing Replace as necessary
Actuator does not respond

Verify the line voltage to the actuator

Check that the voltage matches the rating on the actuator nameplate

Check internal wiring against actuator wiring diagram

Check limit switch cams
Actuator is receiving power but does not operate

Verify the line voltage to the actuator

Check actuator force to see if it’s greater than the valve force

Check limit switches and cams

Check that the force switches have not tripped

Check mechanical travel stop adjustment

Verify the actuator against valve rotation (standard units are anti-clockwise open)

Check internal wiring

Check for corrosion and condensation

Verify coupler/bracket are correctly installed and is not causing binding
Actuator runs erratically

Check ambient temperature

Verify that the duty cycle has not been exceeded

Check the position of manual override lever
Optional Equipment
Potentiometer Current Position Transmitter

Check resistance value

Check potentiometer gear for jamming

Check zero and span calibration

Check board for damage
Current Position Transmitter

Verify input signal

Check dip switch configuration

Check Board for damage
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