Honeywell DCP552 Mark II User Manual
Page 175

10-4
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ADV cannot be invoked with PROG and DISP keys
●
FAST mode cannot be invoked with FUNC and
→
keys
●
MANUAL mode cannot be invoked with A/M key
●
AUTO mode cannot be invoked with A/M key
●
Autotuning (AT) cannot be started with AT key
Cause
Measure
Set to READY mode.
(With variable parameter
PA08
and
PA93
setting = 1 or 2 )
Set RUN mode to execute RUN operation (RUN/HOLD key).
Set to except READY mode.
(With variable parameter
PA08
and
PA93
setting = 3 or 4)
Set READY mode to execute RESET operation (PROG +
RUN/HOLD keys).
Set to MANUAL mode.
Set AUTO mode to execute AUTO operation (A/M key).
PV overrange.
Connect PV input correctly to obtain normal input conditions.
AT is set to off
Set variable parameter
PA08
and
PA93
to something other
than 0.
Set to key lock.
Set variable parameter
PA01
between 0 to 2.
Cause
Measure
Set to key lock.
Set variable parameter
PA01
between 0 to 2.
Cause
Measure
On-off control is set in
P
setting = 0.0.
Set the
P
setting for a currently used PID group to something
other than 0.0 to switch from ON-OFF control to PID control.
On-off control is set with segment PID group
number = on-off.
Set the segment PID group number between 1 to 9 or to A to
switch to PID control.
Set to key lock.
Set variable parameter
PA01
between 0 to 2.
Cause
Measure
Set to program time unit as 0.1 sec.
Set 0 or 1 setup data
C62
setting.
Set to END mode.
Perform a reset operation (press the PROG, RUN and HOLD
keys). Invoke the READY mode and perform a RUN operation
(press the RUN/HOLD key) to go to the RUN mode.
Set to fixed command control mode.
Set fixed command control data
ConSt
setting to 0.
Set to key lock.
Set variable parameter
PA01
between 0 to 2.
Cause
Measure
Set to READY mode.
Perform a RUN operation (press the RUN/HOLD key) to go to
the RUN mode. (ADV operation can be performed in the
READY mode with external switches or through transmission.)
Set to END mode.
Perform a reset operation (press the PROG, RUN and HOLD
keys). Invoke the READY mode and perform a RUN operation
(press the RUN/HOLD key) to go to the RUN mode.
Set to fixed command control mode.
Set fixed command control data
ConSt
setting to 0.
Set to key lock.
Set variable parameter
PA01
between 0 to 2.
Chapter 10. TROUBLESHOOTING