Evoqua WALLACE & TIERNAN GMS PLUS, Original Instruction Manual

Page: 90 / 116

90
WT.050.455.000.DE.IM.0319
Operation
GMS
plus
6.
6.3 Errors and remedies
Error messages The following table shows and explains all possible error
messages which can be displayed. If several errors occur at the
same time, the corresponding messages appear alternately in
succession. When the error has been remedied, the error
message is automatically deleted.
If you are unable to remedy the error yourself, please contact your
contractual partner.
Display Color Meaning Measures
POWER / BAT. green constant Mains voltage and/or
24 V supply present ---
does not
light up No power supply Switch on, check external fuse.
Device fuse defective Check the power supply and
replace fuse (Electrician).
GMS plus power unit
defective
Send unit back to factory.
For 24 V-GMS plus :
24 V supply voltage
unavailable or battery
empty
Check battery supply
Measurement
display flashing Lower point of range
missed by more than
5 % Adjust zero point for Chloratect
sensor.
Check ambient conditions of the
cell (temperature, humidity).
Range exceeded by
more than 5 %
CAUTION!
Substantial gas escape!