HF Series Generators
T roubleshooting
TR-1005R4
70
ERROR CODE : E52
DESCRIPTION : Microcrontroller RAM failure.
ERROR TYPE : Indicative. Exposure is not allowed.
APPLICABLE TO : Generators with DRAC or LV-DRAC
APPEARS WHEN : After self-test.
INFORMATION / SYMPTOM : At power On, after the Generator autocheck, E52 is displayed and it is not possible to make
Exposures.
POSIBLE CAUSES
U17 in Control DRAC Board is defective.
ACTIONS
1. Replace U17 in Control DRAC Board.
ERROR CODE : E53
DESCRIPTION : Insuf ficient DC BUS voltage at low level voltage (220 VAC).
ERROR TYPE : Indicative. System does not allow exposition.
APPLICABLE TO : Generators with DRAC or LV-DRAC
APPEARS WHEN :
INFORMATION / SYMPTOM : E53 is displayed and it is not possible to make Exposures.
POSIBLE CAUSES
Voltage between J2--1 and J2--2, in Control DRAC Board, are low or absent.
Voltage at TP18 is < 1.1 VDC.
ACTIONS
1. Check VDC in J2-1 and J2-2 in INTERFACE DRAC PCB, it must be higher than 200 VDC.
2. If it is not OK, perform Error 11 checking.
3. If it is OK, check FILT 1, F3 and F4 in INTERFACE DRAC PCB.
4. If it is not OK, replace F3 or F4 or INTERFACE DRAC PCB.
5. If it is OK, Check VDC in J 2-1 and J2-2 in CONTROL DRAC PCB.
6. If it is not OK, replace Cable between J2 in INTERFACE DRAC PCB and J2 CONTROL DRAC
PCB.
7. If it is OK, replace CONTROL DRAC PCB.
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