52
8
ERROR DETECTION
An error code is displayed on the panel when the error detection circuit is activated. When the
panel is operated with an error code displayed, the panel temporarily displays normal screens. If
no operations are performed for 5 seconds, the error code appears again.
Error
code
Function name
Behavior
after
detection
Recovery
method
Relay
output
destination
Error history
Er.01
Overcurrent detection
Operation
stops
Power
OFF
Relay (1)
Saved
Er.02
Temperature rise error
Operation
stops
Power
OFF
Relay (1)
Saved
Er.03
Fuse blowout
Operation
stops
Power
OFF
Relay (1)
Saved
Er.04
Self-diagnosis: Load
short circuit
Operation
stops
Power
OFF
Relay (1)
Saved
Er.05
Self-diagnosis: Thyristor
open
Operation
stops
Power
OFF
Relay (1)
Saved
Er.06
Self-diagnosis: Thyristor
short circuit
Operation
stops
Power
OFF
Relay (1)
Saved
Er.07
CPU error
Operation
stops
Power
OFF
None
Not saved
Er.08
Memory error
Operation
stops
Power
OFF
None
Not saved
Er.09
Emergency stop
Operation
stops
Automatic
recovery
None
Saved (only during
operation)
Er.10
Power supply voltage
drop
Operation
stops
Automatic
recovery
Relay (2)
Saved (only during
operation)
Er.11
Instantaneous voltage
drop
Operation
stops
Automatic
recovery
Relay (2)
Not saved
Er.12
Frequency error
Operation
continues
Automatic
recovery
Relay (2)
Not saved
Er.13
Heater disconnection
Operation
continues
Automatic
recovery
Relay (2)
Not saved
Er.14
Self-diagnosis: Load
open
Operation
continues
Automatic
recovery
Relay (2)
Not saved
Summary of Contents for CALPOTE UG Series
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