Micromod MOD: Modcell 2050R Users Guide Manual de usuario descargar pdf (Pagina 210)

IB-23C650

DIAGNOSTICS

Problem Possible Cause Action

No display a. No power to controller.

b. Controller not fully

seated in housing.

c. Incorrect power

connections.

d. Display ribbon cable not

seated on the display

board or the processor

board.

a. Turn on power.

b. Tighten two jack screws

in bezel until controller

seats.

c. Check power

connections.

d. Reseat ribbon cable

into its connector

Display of

process value

is erratic.

a. Process signal wiring

has been run near lines

with high inductive

radiation.

b. Process signal wires

connected incorrectly to

the termination

assembly.

c. Lost calibration in the

processor board.

a. Re-route signal wires.

b. Check and rewire.

c. Recalibrate controller.

(May require service

call.)

No control

output

a. High and low current

output values were

incorrectly assigned in

the MA. OUTP MENU.

b. Controller configured for

the wrong type of

control output, i.e. relay

out when controlling a

voltage driven element.

a. Set correct current

value for mA control

output.

b. Set type of control

output in the BASE

CFG MENU to the

correct type of control

needed.

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Micromod MOD: Modcell 2050R Users Guide Manual de usuario Pagina 210

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