POWER PWB CONNECTIONS
ERROR CODES & TROUBLESHOOTING
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ERROR
CODE 48
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Check
+15VS @ connector PD pin 1
Check
-15VS @ connector PD pin 7
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Check
Q9E00 circuit.
Check
Q9E00 circuit.
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ERROR
CODE 34
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Check
340VDC @ connector PL
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Check
doubler circuit.
Check
ballast circuit.
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ERROR
CODE 48
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Check
3.3V @ connector PA2 pin 1.
Check 18V
@ L9A45/C9A82.
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IC9A24
circuit.
Zener
D9A43.
Q9A13
circuit.
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ERROR
CODE 41
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Check
12VS @ connector PD pin 14.
Check 5VS
@ connector PC pin 8.
Check
4.5V @ connector PD pin 19.
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IC9A23
circuit.
Zener
D9A41.
IC9A21
circuit.
Q9A12
circuit.
Zener D9A47.
F9E10.
F9E11.
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NO POWER
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CHECK ALL
FUSES.
Check 18V
@ TP18VS.
Check
5VSL @ connector PD pin 16.
Check
connector PD pin 20 for HIGH (active).
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T9A10
circuit.
IC9A10
circuit.
IC9A22
circuit.
Zener
D9A39.
PC9A21
circuit
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