Servomex 2500 Series User Manual

5.3
5.3 General Fault Conditions
When the Fault LED is illuminated, the DISPLAY FAULTS function should be used to
determine the nature of the fault. The diagnostics (Section 5.2) may assist in defining
the cause, together with the comments given in Table 5.2. Action to cure the fault
should be taken as soon as possible.
Table 5.2 – General Fault Messages
Display Message History Log
Entry
Description/comments
SOURCE VOLTAGE
HIGH
SOURCE HIGH Possible Power Control PCB fault
SOURCE VOLTAGE
LOW
SOURCE LOW Possible Power Control PCB fault
SAMPLE FLOW
FAILURE
FLOW FAIL User Sample Flow Alarm active
CHOPPER TEMP HIGH CH TEMP HIGH Ambient temp. too high/control
problem
CHOPPER TEMP LOW CH TEMP LOW Ambient temp. too low/control
problem
CHOPPER TEMP
SENSOR FAILURE
CH TEMP FAIL Chopper sensor failed/
disconnected/outside range.
CELL TEMP HIGH CELL T HIGH Possible Power Control PCB fault
CELL TEMP LOW CELL T LOW Possible Power Control PCB fault
CELL TEMP SENSOR
FAILURE
CELL T FAIL Cell sensor failed/disconnected/
outside range
SAMPLE TEMP
SENSOR FAILURE
SAMPLE T FAIL Sample sensor failed/disconnected/
outside range
PRESSURE SENSOR
FAILURE
NO PRESSURE Sample sensor failed/disconnected/
outside range
BAD REFERENCE
VOLTAGE
REF OLT FAIL Possible Transmitter PCB fault
DETECTOR SIGNAL
LOW
DET SIG LO Probable cell contamination – clean
cell
COMPENSATION T
SENSOR FAILURE
COMP T FAIL Detector sensor failed/disconnected
ZERO OUT OF
TOLERANCE
ZERO OUT TOL Failed Autocalibration – bad zero
sample – use One Cycle or Manual
Zero

Servomex 2500 Series Specifications

General

Brand	Servomex
Model	2500 Series
Category	Measuring Instruments
Language	English