Cumberland CC2415, Installation And Operation Manual

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14 PNEG-620-2 Curtain Controller
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).
1. Control failure.
1a. Check for loose wire connection.
1b. Replace control.
2. Will not run in either direction
(manual or automatic modes).
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.
2. Check main panel circuit breaker
or fuse.
3. Check control circuit breaker
and/or fuse.
4. Motor designed with internal thermal
protection. Before replacing, allow
motor to cool down and reset. May
indicate machine overload. Contact
factory for machine restrictions.
5. Primary switch failure.
5a. Replace primary switch.
5b. Check to see if secondary switch is
not depressed.
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.