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EXPLODED  VIEW

TROUBLESHOOTING  GUIDE

5

A. No displays or indicators lit.

Unit unplugged.

Plug unit in.

Store's circuit breaker blown.

Reset breaker.

Defective transformer.

Replace Main Circuit Board.

Circuit inoperable.

Replace Main Circuit Board.

B. Absence of Audio Alarm.

Speaker inoperable.

Replace Speaker.

Circuit inoperable.

Replace Main Circuit Board.

C. Unit  will not enter program

All channels are still counting.

Wait until channels are in stop

mode. Display does

mode.

not show 

"Prog".

Logo Switch inoperable.

Replace Switch Panel.

D. Unit enters program mode.

The channel is still counting.

Wait until channel is in stop mode.

Display shows 

"Prog"

, but

Arrow Switch inoperable.

Replace Switch Panel.

cannot change times.

Circuit inoperable.

Replace Main Circuit Board.

  E. Unable to start, stop, or store

Circuit inoperable.

Replace Switch Panel. If

timer presets in program mode.

problem persists, replace Main

Missing or abnormal characters

Circuit Board.

in displays.

CAUSE

SOLUTION

PROBLEM

1

2

3

4

5

6

7

8

9

1 0

740-519

rev

A

 

        

  

Printed in USA 

3/06

 © 200

6

Summary of Contents for 740-T Series

Page 1: ... warranty is subject to the following exceptions conditions Use of any non genuine Prince Castle parts voids this warranty All labor to be performed during regular work hours Overtime premium the incremental amount will be charged to the customer Damage caused by carelessness neglect and or abuse e g dropping tampering or altering parts equipment damaged in shipment by fire flood or an act of God ...

Page 2: ...reen first 70 of countdown Yellow next 20 countdown Red last 10 of countdown CONTROLS Activates countdown sequence in the run mode In the program mode it increases time values for each channel In the Run Mode it is used in conjunction with logo button to increase the volume In the program mode it decreases time values for each channel In the run mode it is used in conjunction with logo button to d...

Page 3: ...ASTLE logo to end the Program Mode This saves the program changes you have made for all channels 6 You can change the sound level of the alarm in RUN MODE Press and hold the PRINCE CASTLE logo then within six seconds press either the SCAN UP Arrow button or the SCAN DOWN Arrow button The SCAN UP Arrow button adjusts the sound level to the louder alarm the SCAN DOWN Arrow button adjusts the sound l...

Page 4: ... channel button to cancel the alarm CLEANING 1 Do not allow grease to build up on the timer wipe it down daily with clean damp cloth End PART LIST ITEM PART NUMBER DESCRIPTION 1 69 079S Plastic Rivet Pkg Of 2 2 740 030 Rear Cover T88 740 034 Rear Cover T44 T66 3 740 067S Main P C Board T44 740 065S Main P C Board T66 T88 4 740 077S Wing Board T88 Only 5 88 653 2 4S Speaker Assy 6 541 135 Speaker S...

Page 5: ...it until channels are in stop mode Display does mode not show Prog Logo Switch inoperable Replace Switch Panel D Unit enters program mode The channel is still counting Wait until channel is in stop mode Display shows Prog but Arrow Switch inoperable Replace Switch Panel cannot change times Circuit inoperable Replace Main Circuit Board E Unable to start stop or store Circuit inoperable Replace Swit...

Page 6: ...WIRING DIAGRAM 740 T44 T66 T88 6 Printed in USA 3 06 2006 740 519revA ...

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