Honeywell DCP552 Mark II User Manual

10 - 2

Key Input Related Problems

Procedures to correct key input related problems are described below.

■

Normal display mode problems

●

Modes and channels cannot be changed using keys

●

Program number does not start flashing when PROG key is pressed

●

RUN mode cannot be invoked with the RUN/HOLD key

●

HOLD mode cannot be invoked with the RUN/HOLD key

●

RESET cannot be performed with the PROG, RUN and HOLD keys.

RESET is available in the READY program run mode and returns operations to

the first segment.

" #

$% $

PA01

! # ' (

!" RUN key # RUN/HOLD key $ "

# ! &! PROG' RUN HOLD

keys( )* ! +% !

&! RUN/HOLD key( " +%

, $ $

ConSt

* $*

PA01

. - /

Cause

Measure

Select the set program.

Set to END mode.

Set READY mode to execute RESET operation (PROG +
RUN/HOLD keys).

Set to key lock.

Set variable parameter PA01 between 0 to 2.

Program selected in READY mode is unset.
It is not possible to change to the RUN mode
if CH1 and CH2 programs are not set in
synchronous mode (variable parameter
PA04 set to 1)

!"#$ %

!"#$ % !! & '

() (

PA01

+ ,

% % %

ConSt

10-3

Chapter 10. TROUBLESHOOTING