126
WT.050.810.010.DE.IM.0718
Operation
700 P electronics module
6.
6.4.2
Error
The following table shows and explains possible errors which can
occur. If it is not possible to remedy the fault or error yourself,
please contact your affiliate.
Errors
Cause
Remedy
No indication on
device
No power supply.
External switch or fuse on.
Device fuse defective.
Check the power supply and replace
fuse (Electrician).
Device not showing a
measurement
Sensor measuring module has
been changed or added.
Start sensor scan.
Displayed/output
value incorrect
Change on sensor or in the sam-
ple water.
Calibrate
Low control quality
(controller swings,
setpoint not reached)
Incorrect control parameters.
Check, adjust controller parameters;
perform automatic adaption on single
feedback closed-loop control.
Dosing chemical tank empty.
Fill, replace.
Incorrect actuator selected.
Check, correct actuator.
Positioner or pump defective.
Check, replace positioner/pump.
Measured value dis-
play not available,
although the appropri-
ate measuring module
is installed
Measuring module defective or fit-
ted incorrectly.
Check, replace measuring module
(Electrician).
Positioner/pump does
not work
Positioner in manual mode.
Engage manual knob.
Dosing device selected incor-
rectly.
Select correct dosing device.
Positioner/pump incorrectly con-
nected.
Connect the positioner/pump correctly.
(Electrician).
Relay defective.
Check (electrician).
Incorrect application.
Check (see “Adaption” or 9. “Wiring
Diagrams”).
Positioner runs in
wrong direction
Positioner incorrectly connected.
Correct connections (electrician).
Positioner closes
Positioner feedback interrupted.
Correct connections (electrician).
Digital inputs without
function
Digital inputs not activated.
Activate digital inputs.
Summary of Contents for WALLACE & TIERNAN 700 P
Page 1: ...WALLACE TIERNAN ELECTRONICS MODULE 700 P Version 1 31 and later INSTRUCTION MANUAL...
Page 138: ...138 WT 050 810 010 DE IM 0718 Retrofit kits and spare parts 700 P electronics module 8...
Page 139: ...700 P electronics module Wiring Diagrams 9 139 9 Wiring Diagrams...
Page 140: ...140 WT 050 810 010 DE IM 0718 Wiring Diagrams 700 P electronics module 9...
Page 141: ...700 P electronics module Wiring Diagrams 9 141...
Page 142: ...142 WT 050 810 010 DE IM 0718 Wiring Diagrams 700 P electronics module 9...
Page 144: ...144 WT 050 810 010 DE IM 0718 Declarations and certificates 700 P electronics module 10...
Page 145: ...700 P electronics module Declarations and certificates 10 145 10 2 Certificate of Compliance...
Page 146: ...146 WT 050 810 010 DE IM 0718 Declarations and certificates 700 P electronics module 10...
Page 147: ...700 P electronics module Declarations and certificates 10 147...
Page 148: ...148 WT 050 810 010 DE IM 0718 Declarations and certificates 700 P electronics module 10...
Page 152: ...152 WT 050 810 010 DE IM 0718 Index 700 P electronics module 11...
