Tadiran Telecom ANL-100 Service Manual page 43

SKY
Indicator lamps troubleshooting (continued).
Lamps Status
9 POWER lamp
flashes,
IMPEDANCE &
COMPRES. are lit
before A/C startup.
POWER lamp
10
flashes,
IMPEDANCE &
COMPRES are lit.
AIR CON is lit after
A/C startup.
POWER,
11
COMPRES. and
IMPEDANCE
lamps flash.
POWER & AIR
12
CON lamps lit,
COMPRES lamp
flashes.
Indication
High voltage.
High Voltage during
compressor operation.
TH-2 failure.
Normal Operation
-
Corrective Action
Check power supply voltage.
Check electrical connections.
Replace TAC-444.
Check power supply voltage.
Check electrical connections.
Replace TAC-444.
Check TH-2 for correct resistance.
Check for proper connection between
TH-2 and indoor unit.
Replace TH-2 if necessary.
This is normal operation when the A/C
enters the thermostat stop, and the
'minimal halt period' (5 min.) is passed.
This indication will continue until the first
thermostat demand or the 'maximal halt
period' (15 min.) will elapse.
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