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9-7
Chapter 9. MAINTENANCE & TROUBLESHOOTING
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Pressing the AT key does not start auto-tuning (AT).
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Pressing the AT key does not cancel auto-tuning (AT).
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Pressing the
↑
key and the
↓
key does not change output in the MANUAL mode.
●
Pressing the FUNC key + the PROG key does not change the program setup state on the
DCP32.
●
Pressing the
↑
key + the PROG key does not set the DCP32 to the program copy state.
Remedy
Press RUN/HOLD key to set the DCP32 to the RUN mode.
Press A/M to set the DCP32 to the AUTO mode.
Correctly wire input to correct input state.
Set variable parameter
At setting or variable parameter 2 At.2
setting to other than 0.
Set setup data
C18, C41 setting to 0.
AT cannot be executed by 3D and 5K outputs.
Set variable parameter
LoC setting to 0 to 2.
Cause
The DCP32 is in the READY mode.
The DCP32 is in the MANUAL mode.
The input of currently displayed channel is over-range.
The currently displayed channel is set not to execute
AT.
The currently displayed channel is set to current output,
and the DCP32 is selected for use as a programmer.
The currently displayed channel is set to heat/cool out-
put.
Key lock is enabled.
Remedy
Set constant-value operation data
modE setting to 0.
Set variable parameter
LoC setting to 0, 1 or 3.
Cause
The DCP32 is in the constant-value operation mode.
Key lock is enabled
Remedy
Reset the DCP32 (PROG + RUN/HOLD key) to set it to the
READY mode.
Select a program No. whose program is already set.
Set constant-value operation data
modE setting to 0.
Set variable parameter
PrtC setting to 0.
Set variable parameter
LoC setting to 0, 1 or 3.
Cause
The DCP32 is in a mode other than READY mode.
The program of the currently selected program No. is
not set up.
The DCP32 is in the constant-value operation mode.
The program is protected.
Key lock is enabled.
Remedy
Set variable parameter
LoC setting to 0 to 2.
Press the FUNC key + DISP key to switch the currently displayed
channel.
Cause
Key lock is enabled.
The currently displayed channel is in error
Remedy
Press the DISP key until the screen for displaying SP is dis-
played.
Set variable parameter Ch.2 to 2, and press the DISP key in the
basic display state until the screen for displaying SPw is displayed.
Cause
The DCP32 is selected for use as a programmer.
The DCP32 is selected for use as a SPw programmer
on CH2 of a temperature/humidity operation model.