83
13
TROUBLESHOOTING
Symptom
Item to check
Action
There is no
output.
Is an error code displayed?
See “8 ERROR
DETECTION” and remove
the causes of the error.
Is the ST terminal short-circuited with the
PH terminal?
Short-circuit them.
Is the VF2 terminal open?
Short-circuit it with the
VE3 terminal.
Are all the input signals zero?
• [P: Temperature control signal]
• [H: Manual (upper limit) signal]
• [L: Lower point (lower limit) signal]
Increase the setting of at
least one parameter.
Is [F: Gradient (proportional) signal] zero?
Increase the setting.
Is [F101: Temperature controller type]
correct?
Check the setting.
Is the AT terminal setting correct?
Check the setting.
Does the phase of the main circuit power
supply match that of the control power
supply?
Match the phases.
Abnormal
output
If constant current control does not work, is
the load open?
Check the load.
If constant power control does not work, are
the PT and CT polarities correct?
Correct the polarities.
Are the conversion board settings correct?
Review the [F4: Conversion
board] setting.
There is no
output when
the
RUN/STOP
key is
pressed.
Is the GT terminal short-circuited with the
PH terminal?
Short-circuit them.
Is [F701: RUN/STOP key lock] ON?
Set it to [0: Unlock].
The output
does not stop
when the
RUN/STOP
key is
pressed.
Is the ST terminal short-circuited with the
PH terminal?
Open the circuit between
them.
Summary of Contents for CALPOTE UG Series
Page 94: ...94 APPENDIX B PANEL TRANSITION DIAGRAM...
Page 96: ...MEMO...
