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Primary
Error
Alarm
Code
Code
Type
128
8
Fault
PN 903-8797, Rev A
Condition / Description / Suggested Corrective Action
f Cool Cct [Problem-In-Cooling-Circuit]
There is a problem with the cooling system, possibly the Cooler Power Supply fuse in the
Electronics Enclosure, Peltier Cooler, or the RTD within the Cooler Housing.
Corrective Action:
• Review the current mirror temperature (MTemp) from the RUN menu. If the mirror
temperature remains relatively constant (does not
check the Cooler Power Supply fuse within the Electronics Enclosure and replace it if
necessary. See Figure 4-4 for the location of this fuse.
• Review and interpret the current XSCode (Stat\History menu) for alarm conditions
that may be present, such as "f High Temp" or "f Low Temp". Attempt to correct any
alarm conditions.
If these alarms are also present, the RTD may have failed and you may have to replace
it.
If necessary, contact AMETEK Service for assistance.
drop) during the Cooling Stage,
Maintenance and Troubleshooting | 4-49
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Table of Contents
Troubleshooting
