Honeywell DCP551 Mark ΙΙ User Manual page 176

Chapter 10. TROUBLESHOOTING
ADV cannot be invoked with PROG and DISP keys
Cause
Set to READY mode.
Set to END mode.
Set to constant value control mode.
Set to key lock.
FAST mode cannot be invoked with FUNC and → → keys
Cause
Set to program time unit as 0.1 sec.
Set to END mode.
Set to constant value control mode.
Set to key lock.
MANUAL mode cannot be invoked with A/M key
Cause
On-off control is set in
On-off control is set with segment PID group
number = on-off.
Set to key lock.
AUTO mode cannot be invoked with A/M key
Cause
Set to key lock.
Autotuning (AT) cannot be started with AT key
Cause
Set to READY mode.
(With variable parameter
Set to except READY mode.
(With variable parameter
Set to MANUAL mode.
PV overrange.
AT is set to off
Set to setting instrument (programmer) function. Set setup data
Set to key lock.
10-4
Perform a RUN operation (press the
the RUN mode. (ADV operation can be performed in the
READY mode with external switches or through transmission.)
Perform a reset operation (press the
keys
(press the
Set constant value control data
Set variable parameter
Set 0 or 1 setup data
Perform a reset operation (press the
keys
(press the
Set constant value control data
Set variable parameter
setting = 0.0. Set the
P
other than 0.0 to switch from ON-OFF control to PID control.
Set the segment PID group number between 1 to 9 or to A to
switch to PID control.
Set variable parameter
Set variable parameter
Set RUN mode to execute RUN operation (
setting = 1 or 2)
PA08
Set READY mode to execute RESET operation (
RUN/HOLD keys
setting = 3 or 4)
PA08
Set AUTO mode to execute AUTO operation (
Connect PV input correctly to obtain normal input conditions.
Set variable parameter
Set variable parameter
Measure
). Invoke the READY mode and perform a RUN operation
RUN/HOLD key
) to go to the RUN mode.
between 0 to 2.
PA01
Measure
setting.
C62
). Invoke the READY mode and perform a RUN operation
RUN/HOLD key
) to go to the RUN mode.
between 0 to 2.
PA01
Measure
setting for a currently used PID group to something
P
between 0 to 2.
PA01
Measure
between 0 to 2.
PA01
Measure
).
to something other than 0.
PA08
to something other than 0.
C21
between 0 to 2.
PA01
RUN/HOLD key
) to go to
PROG RUN HOLD
, and
setting to 0.
ConSt
PROG RUN HOLD
, and
setting to 0.
ConSt
RUN/HOLD key
PROG +
A/M key
).
).