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• Defective lamp
Check lamp operation using the PANEL
TEST button. Replace Display board if lamp
is defective.
Problem:
ENERGIZED light(s) are on, but
relay(s) fail to function properly
• Defective Relay board
Check if green LED(s) are on above relays.
Replace relay board if necessary.
Problem:
One or more relays are not working
correctly
• No power switched by indicated relay
Check if green LED(s) are on above the
relay. If yes, but no power is switched,
check:
- Fuses F1 and F2 on the relay board are
OK, and
- Check that power is available to
AComm
and
BComm
inputs on terminal strip.
• Defective Relay board
Replace relay board if necessary.
• Relays not operating as expected
Check relay output configuration (cumulative
or individual) on SW 1 (Table 8)
Problem:
Receiver does not work
• Incorrect frequency
Reset receiver to correct frequency.
• Defective antenna
Check antenna and antenna lead.
• Low (or no) sensitivity
Increase sensitivity by turning SENSITIVITY
toward Max (clockwise)
• Defective Control board
Replace Control board.
Problem:
No power lamp (switch)
• No power
Check power source.
• Defective lamp
Replace switch.
Problem:
No lights on front panel display
• Front door interlock switch not working
Test front door interlock switch, replace if
necessary.
Problem:
Carrier Test button does not work.
• SENSITIVITY set at min.
SENSITIVITY control until CARRIER TEST
works correctly.
