Specifications

H25-IR Operation
Instruction 3015-4342 59
4000 ZERO VOLT ERROR
Indicated the sensor voltage stored during
auto or manual zero was less that
3.9V or greater than 4.5V
Sensor voltage is zero
Or near zero
YES
NO
Detector cable loose
Or disconnected
NO
YES
IR Emitter resistance
Show **.* in diagnostic
Emitter screen
Emitter cable loose
Or disconnected
IR Emitter burned out, replace Optical sensor assembly, reset
digipot,re-cal box temp sensor and store new Factory calibration
Reconnect cable and readjust digipot
In factory menu
YES
NO
Reconnect cable and readjust digipot
In factory menu
Adjust sensor voltage with digipot in
Factory menu to 4.2V ±0.05V
YES
Bacharach Inc. CONFIDENTIAL for internal use only
H25 IR FA UL T CODE TRO UB L E SHO OTER
DETECTOR CABLE
CHECK BOTH ENDS
EMITTER CABLE
CHECK BOTH ENDS
8000 A/D CLIPPING ERROR
Indicates the sensor output
voltage is greater than 4.55V
Was new optical sensor
Just installed
YES
NO
Adjust sensor voltage with digipot in
Factory menu to 4.2V ±0.05V
Adjust Emitter power in diaganostic/
IR Emitter screen, per instructions
With new sensor
Adjust sensor voltage with digipot in
Factory menu to 4.2V ±0.05V
Store new “factory” cal
Bacharach Inc. CONFIDENTIAL for internal use only
H25 IR FAULT CODE TROUBLE SHOOTER