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POWER AND COOLING UNIT MANUAL EXTRACT
A ISSUED
POWER/COOLING TROUBLESHOOTING GUIDE - CONT'D.
4.3.1
REMARKS/NOTES (CONT'D.)
PCM Control Panel
Figure 4-lA
PRESS PCM RESET
PUSHBUTTON
YES
SET PCM POWER CONTROL
SWITCH TO LOCAL
PRESS PCM POWER CONTROL
ON SWITCH AND LISTEN
FOR RELAY CLICK AT PEM
MARGINS
iREMOTE
~
+SV
0
CPU
NO
ENSURE THAT OPERATOR
PANEL CABINET SHUTDOWN
SWITCH IS NOT
LATCHED
IN
"GO TO POINT
B, FIGURE 4-13
CHANGE
SHEET
6.
GO TO NEXJ:.... PAGE
POINT"9J
PCM
GO
TO
NEXT~AGE
POINT
\B)
HI
t
LO
CONTROL REGULATOR CONFIDENCE
INDICATOR (NOT LABELED)
RESET
I
POWER CONTROL
I
REMOTE
ON
OFF
@
~
@@
LOCAL
•
Check MG set
i f
supplied.
•
Check wall
circuit breaker
•
Contact
customer
•
Change fuses
•
If fuses blow
again:
- Change PEM
- Change PCM
•
Check for secure PEM and PCM
cables
•
Replace PCM
•
Replace PEM
HONEYWELL CONFIDENTIAL AND PROPRIETARY
Figure 4-13
Sheet 4
41
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