Parts List; Troubleshooting - Prince Castle 741-T2HW Series Operating Instructions Manual

PART LIST
ITEM PART NUMBER
1 740-306
3 740-321
6 541-135
7 88-653-2-4S
8 69-080
9 76-001
1 0 88-591
11 85-101-04S
1 2 740-284S
1 3 740-312
1 4 740-311
1 5 735-241S
1 6 740-048S
TROUBLESHOOTING GUIDE
PROBLEM
A. No displays or indicators lit.
B. Absence of Audio Alarm.
C. Unit will not enter program
mode. Display does
not show "Prog".
D. Unit enters program mode.
Display shows "Prog", but
cannot change times.
E. Unable to start, stop, or store
timer presets in program mode.
Missing or abnormal characters
in displays.
F. "88:88" flashes and beeps
in display
Printed in USA 3/06 © 2006
DESCRIPTION
Front Bezel
Support Plate
S h i m
Speaker
Nut
Screw
Power Inlet
Power Supply PCB
Main PCB
Insulator
Rear Cover
Mounting Bracket
Knob (Pkg. Of 2)
CAUSE
Unit unplugged.
Store's circuit breaker blown.
Defective transformer.
Circuit inoperable.
Speaker inoperable.
Circuit inoperable.
All channels are still counting.
Logo Switch inoperable.
The channel is still counting.
Arrow Switch inoperable.
Circuit inoperable.
Circuit inoperable.
Timer is in test mode
ITEM PART NUMBER
17&18 735-240S
1 9 94-301
2 0 86-226
2 1 73-002
2 2 76-740
2 3 76-041
2 4 69-079S
2 5 73-021
2 6 79-020
2 7 79-154
* 72-200-1S
* 72-200-2S
* NOT SHOWN
Plug unit in.
Reset breaker.
Replace Power Cord.
Replace Main Circuit Board.
Replace Speaker.
Replace Main Circuit Board.
Wait until channels are in stop
mode.
Replace Switch Panel.
Wait until channel is in stop mode.
Replace Switch Panel.
Replace Main Circuit Board.
Replace Switch Panel. If
problem persists, replace Main
Circuit Board.
Unplug, hold up and down arrows
while plugging in, display will
change to "----", indicating timer is
in operate mode.
4
DESCRIPTION
Switch Panel Assy.
Label (N/A)
Spacer
Nut
Screw
Screw
Rivets (Pkg. Of 2)
Nut
Washer
Washer
Line Cord (CE)
Line Cord (GB)
SOLUTION
741-501revA