B-1
APPENDIX B
The following is a list of error messages that may be displayed by the Tem-
perature Controller and a description of corrective action.
Upper
Lower
Display
Display
Action
normal
OVER TEMP STOP
PV exceeded OVER TEMP
STOP Setting in User Setup.
normal
LOOP BREAK STOP
No change in PV with output
on for user settable time
period. Adjust Loop Break Stop
in user setup.
normal
OPEN PROBE STOP
Detected open probe sensor
while running. Check probe.
normal
OVER PROBE STOP
PV exceeded the upper limit of
selected probe type.
normal
UNDER PROBE STOP
PV went below lower limit of
selected probe type.
NO OUTPUT
CHECK 15 A
No AC voltage detected at the
POWER
FUSE
heater output. Check the
heater/cooler output fuse. If
fuse is OK, return unit for
service.
INTERNAL
SERVICE
Return unit to your dealer.
ERROR #
REQUIRED
Printed in U.S.A.
041001
Mainbook.p65
10/8/01, 9:39 AM
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