Troubleshooting - Truth Sentry 2000 Instrucciones De Instalación

Troubleshooting

Symptom
Unit does not operate, no sound from motor.
Possible solution
1. Press "Reset" button
2. Refer to wire diagram and check connections.
3. Check power at transformer, 110-125 VAC input and 24VAC output.
4. Check Screen Interlock.
Symptom
Unit makes noise, but window/skylight will not move, or operates errati-
cally.
Possible solution
1. Press "Reset" button.
2. Be sure window is locked.
3. Be sure window will operate freely without motor attached.
4. Remove motor cover and test; cover screw length must be 6 x 3/8 PH.
5. Skylight lid may be too heavy (see step #1).
6. Transformer incorrectly wired to motor (see wire diagram).
Symptom
Unit runs slowly.
Possible solution
1. Due to gear reduction in different operators, the speed will vary.
Skylights (due to very low gearing) are normally slower.
Symptom
Unit makes excessive noise during operation.
Possible solution
1. Check that motor grommet was installed (see step #3).
2. Be sure motor cover is tight.
3. The unit will be louder on a metal window frame.
Symptom
Unit does not close completely.
Possible solution
1. Press "Reset" button.
2. Be sure window/skylight will operate freely without motor attached.
3. Disconnect power and refer to step #9 "Testing."
4. Check jumper setting for application (see wire diagram).
Symptom
Unit runs continuously in one direction when bench testing.
Possible solution
1. Motor must be connected to window/skylight for correct operation.
Note: Connecting the transformer directly to the motor can cause dam-
age.
Symptom
Unit closes when open button is pressed.
Possible solution
1. Motor leads are reversed (see step #9 "Testing").
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