Cumberland SPRKT2415, Operation And Installation Manual

Page: 15 / 34

PNEG-881 Curtain Controller 15
7. Troubleshooting Guide
Problem Possible Cause Corrective Action
1. Will not run in manual mode. 1. Control not in manual mode.
2. Toggle switch failure.
1. Move switch to manual setting. Check
for loose wire connection.
2. Replace toggle switch.
1. Machine operates in opposite
direction in response to
temperature change.
1. Control wired incorrectly. 1. Re-wire to wiring schematic instruction.
1. Runs in both directions (automatic
mode), but only one direction
(manual mode).
2. Will not run in either direction
(manual or automatic modes).
1. Control failure.
2. No power (circuit breaker or fuse).
3. Tripping may indicate machine
overload or electrical wire short.
Repair or replace before
reenergizing circuit.
4. Motor failure.
5. Control failure.
6. Primary switch failure.
1. Check for loose wire connection.
2. Replace Control.
3. Check main panel circuit breaker
or fuse.
4. Check control circuit breaker
and/or fuse.
5. Motor designed with internal thermal
protection. Before replacing, allow
motor to cool down and reset. May
indicate machine overload. Contact
factory for machine restrictions.
6. Check to see if secondary switch is
not depressed.
7. Replace primary switch.
1. Will not run in automatic but does
operate in manual.
1. Control not in automatic mode.
2. Control failure
1. Move switch to automatic setting.
2. Replace control.
1. Runs in one direction only, both
automatic and manual.
1. Broken or loose wire.
2. Limit switch catching on adjustment
rod mechanism.
3. Limit switch failure.
4. Control failure.
1. Repair broken or loose wire.
2. Free switch and adjust as needed.
3. Replace switch.
4. Replace Control.