MFC
Operation
5.
167
Error
The following table shows and explains possible errors which can
occur. If you are unable to remedy the error yourself, please
contact your contractual partner.
Error
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)
Housing cover is fitted incorrectly
Check, fit the housing cover correctly
(cable possibly trapped)
Displayed/output
value incorrect
Change on sensor or in the
sample water
Calibrate
Low controller quality
(controller swings,
setpoint not reached)
Incorrect control parameters
Check, adjust controller parameters;
perform automatic adaption on single
feed back control
Dosing chemical tank empty
Fill, replace
Incorrect actuator selected
Check, correct actuator
Positioner or pump defective
Check, replace positioner/pump
Measured value
display not available,
although the
appropriate measuring
module is installed
Measuring module defective or
fitted incorrectly
Check, replace measuring module
(Electrician)
Positioner/pump does
not work
Positioner in manual mode
Engage manual knob
Dosing device selected incorrectly
Select correct dosing device
Positioner/pump incorrectly
connected
Connect the positioner/pump correctly
(Electrician)
Relay card defective or fitted
incorrectly
Check, replace relay card
(Electrician)
Incorrect application
Check (refer to 4.4 “Applications" on
page 71 and 9. “Wiring Diagrams" on
page 245)
Positioner runs in
wrong direction
Positioner incorrectly connected
Correct connections
(Electrician)
Positioner closes
Positioner feedback interrupted
Correct connections
(Electrician)
Digital outputs without
function
Digital inputs not activated
Activate digital inputs
Summary of Contents for WALLACE & TIERNAN MFC
Page 1: ...WALLACE TIERNAN MULTI FUNCTION CONTROLLER MFC from version V 2 00 INSTRUCTION MANUAL...
Page 2: ...2 WT 050 580 000 DE IM 0714 MFC Please note Original manual...
Page 6: ...6 WT 050 580 000 DE IM 0714 Introduction MFC 1...
Page 40: ...40 WT 050 580 000 DE IM 0714 Description MFC 3...
Page 247: ...MFC Certificates 10 247 10 Certificates...
Page 248: ...248 WT 050 580 000 DE IM 0714 Certificates MFC 10...
Page 249: ...MFC Certificates 10 249...
Page 250: ...250 WT 050 580 000 DE IM 0714 Certificates MFC 10...
Page 262: ...262 WT 050 580 000 DE IM 0714 Settings table MFC 11...