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A Appendices
E5@C-T Digital Temperature Controllers User’s Manual (H185)
A-4 Error Displays
A
z Meaning
Internal memory operation is in error.
z Action
First, turn the power OFF then back ON again. If the display remains the same, the Controller must
be repaired. If the display is restored, then the probable cause is electrical noise affecting the control
system. Check for electrical noise.
z Operation
The control, auxiliary, and transfer outputs turn OFF. (A linear current output will be approx. 0 mA. A
linear voltage output will be approx. 0 V.)
z Meaning
This error is displayed when the heater current value exceeds 55.0 A.
z Operation
Control continues, allowing normal operation. An error message is displayed when the following
items are displayed.
Heater current 1 value monitor
Heater current 2 value monitor
Leakage current 1 monitor
Leakage current 2 monitor
z Meaning
If there is an HB or HS alarm, the relevant parameter will flash on the No. 1 display.
z Operation
The relevant Heater Current 1 Value Monitor, Heater Current 2 Value Monitor, Leakage Current 1
Monitor, or Leakage Current 2 Monitor parameters in the Operation or Adjustment Level will flash on
the No. 1 display. However, control continues and operation is normal.
e111
Memory Error
ffff
Current Value Exceeds
ct1
ct2
lcr1
lcr2
HB Alarm
HS Alarm
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