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3745 MAPs
MAP 3910: Overcurrent on Power Supply 2
Symptom Explanation Conditions That Could Cause This Symptom
Overcurrent on power supply 2. Short circuit in:
Fan1
Fan2
PCC
Panel
PS2
001
– Unplug the FAN1 power cable 01H-B1-J7 from
PS2.
– Power the 3745 ON as follows:
put the power control in local mode:
– Using Power Control, scroll till the
value is 3.
– Press Validate.
Press Power On Reset.
Is the panel code 00E still displayed?
Yes No
002
– Press Power Off.
– Exchange the Fan1. Go to “Fan 1
Exchange Procedure” on page 4-50.
003
– Replug the Fan1 power cable.
– Unplug the Fan2 power cable (01H-B1-J6) from
PS2.
– Power the 3745 ON as follow:
Put the power control in local mode:
– Using Power Control, scroll till the
value is 3.
– Press Validate.
Press Power On reset.
Is the panel code 00E still displayed?
Yes No
004
– Press Power Off.
– Exchange the Fan2. Go to “Fan 2
Exchange Procedure” on page 4-51.
005
– Replug the Fan2 power cable.
– Exchange the PCC card (01A-X0B). Go to
“Card Exchange Procedure” on page 4-34.
– Press Power On Reset.
(Step 005 continues)
005 (continued)
Is the panel code 00E still displayed?
Yes No
006
Go to “CE Leaving Procedure” on
page 4-102.
007
– Exchange the control panel. Go to “Control
Panel Exchange Procedure” on page 4-46.
– Press Power On Reset.
Is the panel code 00E still displayed?
Yes No
008
Go to “CE Leaving Procedure” on
page 4-102.
009
– Exchange the PS2. Go to “PS2 and Primary
Power Box Exchange Procedure” on page 4-69.
2-18 3745 Models 130 to 17A: MIP