SQF-4-9
Trouble-
shooting
12 February 2007 FAULT CODE DESCRIPTION
Fault Code SQF-150, indicates that the Unreg is low/high.
Procedure
Measurethevoltageacrosstherectiercapacitor.The voltage is approximately >0V?
Y N
Replace fuse F2.
Measurethevoltageacrosstherectiercapacitor.The voltage
is approximately 36V?
Y N
Check transformer tappings ( 3.7.1 ).
Go to SQF-152 fault code.
SQF-152
Fault code SQF-152, indicates that one of the interlock switches in the Squarefolder is faulty.
Initial Actions
Power OFF the Booklet Maker and make sure the Squarefolder is powered off.
Check Fuse F2 on the Squarefolder Transformer.
Check that the Transformer is tapped to the correct voltage according to (
3.7.1 ).
Procedure
Measure the Interlock switches SW1, SW2, SW3 and SW4 and make sure that they are OK. Are all switches OK?
Y N
Replace the faulty switch.
Make sure Switch SW1, SW2, SW3 and SW4 is interlocked. Power ON the Booklet Maker. Disconnect plug D.P13 and
D.P15. Measure J15-2 and J13-14 . Is there
5V?
Y N
Replace PCB ”D”.
Measure J12-1 and J12-2 on PCB ”D”. The voltage is approximately 36V DC?
Y N
Replace wire Harness.
Replace PCB ”D”.
WARNING
Warning this measurement involves live conductors. Use caution not to
short circuit any conductors.
SQF-150 / 151
To Next Page
Loading...
Need help?
General