4.0 TROUBLE ANALYSIS:
A malfunction chart including several possible failure modes is supplied to assist the technician in analyzing the
probable cause. The receiver-controller is warrantied for one year from date of purchase. Failures not caused by
improper installation or abnormal treatment will be corrected by the manufacturer free of charge within the warranty
period.
4.1
TROUBLE ANALYSIS CHART:
The following tabulations will provide guidance for recognizing possible trouble and correction.
MALFUNCTION
POSSIBLE CAUSE
TEST AND REMEDY
AC voltage present but no DC Open 1.0 A. Fuse
Test & Replace
LED indication
Bad AC Switch
Test & Replace
Defect in power supply.
Return receiver to
electronic board, power
manufacturer for service.
transformer or series
regulator transistors
DC OK, no LED
Defect in receiver card
Replace card, retest. Send
indication, no audio
part number 11-0255
defective card to manufacturer
for repair or replacement
if in warranty.
DC OK
Open 5A SLO BLO Fuse
Test & Replace fuse with same
Relay closures normal type only
No output voltage any
control line
Failure to reset Timer indicator
Defective Receiver/Decoder card, Use replacement card and retest.
after 5 seconds
number 11-0255
Return defective card to manufacturer
for
repair or replacement if in warranty
.
Fails to turn off after 15 minutes
Defective Receiver/Decoder Card, Use replacement card and retest.
Part number 11-0255
Return defective card to manufacturer
for
repair or replacement if in warranty
.
DC O.K.,
Defective Relay K-1, K-2, or K-3
,
Replace Relay Card P/N
output indicator LED's Normal
whichever circuit is defective
11-0195 and retest.
