Optidew User’s Manual
Kahn Instruments
41
MAINTENANCE
Figure 30
System alarm
Possible Fault Codes
No.
Name
Description
06
Mirror Overheat
Mirror Temperature above 266°F/130°C
02
Optics Fault (Search Fail)
Unable to establish clean mirror condition
03
Optics Fault (< Min Limit)
Signal below allowable limit
04
Optics Fault (> Max Limit)
Signal above allowable limit
08
Heating Saturation
TEC drive saturated in heating mode beyond
allowable time limit
09
Cooling Saturation
TEC drive saturated in cooling mode beyond
allowable time limit
01
Mirror Pt1000 Fault
Chilled Mirror sensor internal Pt1000 fault
04
Temp. Probe Fault
External temperature probe fault
07
Pressure Tx. Fault
External pressure transmitter fault
17
Mirror Contaminated
Mirror requires cleaning followed by Optics
Calibration
11
Mirror Pt1000 Fault (Open)
Chilled Mirror sensor Pt1000 open circuit
12
Mirror Pt1000 Fault (Low)
Chilled Mirror sensor Pt1000 short circuit/below
lower limit
13
Mirror Pt1000 Fault (High)
Chilled Mirror sensor Pt1000 above upper limit
08
Temp. Probe Fault (Open)
External temperature probe open circuit
09
Temp. Probe Fault (Low)
External temperature probe short circuit/below
lower limit
10
Temp. Probe Fault (High)
External temperature probe above upper limit
14
Pressure Tx. Fault (Open)
Pressure transmitter signal < 0.2mA (open circuit)
15
Pressure Tx. Fault (Alarm)
Pressure transmitter signal 3.6-3.8mA OR 20.5-
21mA
16
Pressure Tx. Fault (Fail)
Pressure transmitter signal > 21mA, or < 3.6mA
Содержание Optidew Series
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