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General Trouble Shooting
COMMON PROBLEMS AND CAUSES
Unit does not charge. Probable causes:
1. Circuit breaker tripped. (Depress breaker button, rear of unit.)
2. No line power to unit. (Check line cord and outlet. If unit was being
heavily used, wait 5 minutes for internal thermal protector to reset.)
Modeling light does not turn on. Probable causes:
1. Lamp turned off. (Press FULL ON/OFF button, check PA8 switch.)
2. Lamp burned out. (Inspect and replace, when cool. See SERVICE
section of this manual)
3. Internal fuse blown (inside power supply), caused by shorted
modeling lamp. (Factory service required.)
4. External fuse blown on PA8. (Inspect and replace.)
Light flashes by itself without apparent reason. Probable causes:
1. Defective trigger cord, or trigger cord incorrectly polarized.
2. Bright light falling on photo slave.
3. Poor connection in line cord.
4. Reverse connection on trigger cord connection at camera.
5. Some radio slaves will cause interference. Consult slave
manufacturer.
Trigger cord will not flash unit, but charge indicator shows that the system has
charged. Probable causes:
1. Defective trigger cord. Try TEST button.
2. Internal failure. Try TEST button.
Defective flashtube:
1. Turn unit OFF. Wait until cool, and then replace flashtube.
(See SERVICE section of this manual)
Infrared not working. Probable causes:
1. When using the Hand-Held controller, press the unit number on the
keypad before pressing any adjustment buttons.
2. Point remote directly at PhotoMaster control panel from about five
feet distance.
3. Check 9 volt battery inside remote.
4. Unit number on controller must agree with unit number on
PhotoMaster. Try the All key before testing.