Bacharach H25-IR - Manual (Page 60)

H25-IR Specifications
Instruction 3015-4342 54
6 Troubleshooting
0001 BOX TEMP ERROR
Inside chassis
temperatures greater than
55degC or less
than -5degC
YES
NO
Move to cooler or warmer environment
to correct
Temp sensor defective
Replace motherboard
Does fault code
Also Indicate A/D failure
0400?
A/D defective
(other faults will also result)
Replace motherboard
YES
NO
Bacharach Inc. CONFIDENTIAL for internal use only
H25 IR FAULT CODE TROUBLE SHOOTER
0002 BENCH TEMP ERROR
Bench temp
sensor greater than
55degC or less
than -5degC
YES
NO
Move to cooler or warmer environment
to correct
Replace detector ribbon cable
And retest
Is detector ribbon
cable disconnected
on either end?
Reconnect cable and hot glue in place
YES
NO Connect detector end
of a new bench with existing
cable. Is temperature
Normal?
Bad detector PCB
Replace optical sensor
YES
NO
Temperature reading
corrected with new
cable?
Bad ribbon cable, replace
Bad SPI Bus connection,
Replace motherboard
YES
NO
Bacharach Inc. CONFIDENTIAL for internal use only
H25 IR FAUL T CODE TROUBLE SHOOTER