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17
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310.6002.0
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TROUBLESHOOTING CHART
TROUBLE
PROBABLE CAUSE
CORRECTIVE ACTION
1. All Control indicators are not
illuminated.
a. Power supply failure at
source.
b. Blown fuse.
a. Check and reset circuit
breaker.
b. Replace fuse.
2. One or more control
indicators are not
illuminated during lamp test.
a. Indicator failure.
a. Replace indicator.
3. Programmable controller
indicators not illuminated.
(See Figure 4)
a. Power supply failure at
source.
b. Blown fuse.
c. Programmable controller
failure
a. Check and reset breaker.
b. Replace fuse.
c. Replace programmable
controller.
4. Programmable controller
shows “FAULT”
(See Figure 4)
a. Program error
b. 24 Vac power supply failure
- input 18 not energized.
(See Figure 4)
a. Consult factory for program
instructions.
b. Internal fuse blown, replace
controller.
5. Field devices do not open or
close
a. Relay failure.
b. Limit switches not calibrated
for proper input signals.
a. Replace relay.
b. Adjust limit switches (Refer to
manufacturer’s instruction
manual.)
