Troubleshooting
Issue: 08/2012
Even though we produce high quality, reliable equipment, there still can be problems
due to incorrect operation, poor maintenance, incorrect procedures etc.
This chapter has information about some common problems and about solving those
problems. It is not possible to cover all possible problems in an operating manual; we
suggest each owner develops a relationship with a competent cinema service provider.
X
Z Items marked (service) usually require experienced service technicians.
Z Basically there are two types of errors:
- Type 1 errors: Projector won’t run/stops immediately
- Type 2 errors: Errors which do not stop projector
Nothing works - Main power is not available
- Loose main power connection
- 24 V DC supply failed
- 24 V DC fuse on main terminal blown
- Check fuses or circuit breakers
- Check main power
connections
- Change (service)
- Change
Motor won’t run,
pilot lamp is on,
relays move
- Frequency inverter wiring loose
- Frequency inverter defective
- Check inverter connections
- Change (service)
Motor runs, pilot
lamp is on, sound-
head LED won’t lit
- Fuse blown on LED power supply
board
- Check all, replace if blown
Noisy operation - Film is threaded incorrectly
- Gears are worn
- Thread correctly
- Change
Rollers don’t turn - Poor cleaning
- Roller worn or damaged
- Clean regularly with alcohol
- Change
Film break when
starting the lm
run
- Frictions are not adjusted correctly
- Friction shafts are running dry
- Adjust
- Lubricate with Cardan oil
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