Michell Instruments Optidew User Manual

Optidew User’s Manual
40 97551 Issue 1, February 2018
MAINTENANCE
Figure 30 System alarm
Possible Fault Codes
No. Name Description
06 Mirror Overheat Mirror Temperature above 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

Michell Instruments Optidew Specifications

General

Brand	Michell Instruments
Model	Optidew
Category	Measuring Instruments
Language	English