Troubleshooting - Omron E5CN User Manual

ffff
Current Value Exceeds
Meaning
This error is displayed when the heater current value exceeds 55.0 A.
Action
Control continues, allowing normal operation. An error message is displayed when the following items are dis-
played.
Heater current 1 value monitor
Heater current 2 value monitor
Leakage current 1 monitor
Leakage current 2 monitor
ct1
Heater Burnout
ct2
HS Alarm
lcr1
lcr2
Meaning
When heater burnout or an HS alarm occurs, the No. 1 display in the applicable setting level flashes.
Action
When either heater burnout or HS is detected, the HA indicator lights and the No. 1 display flashes for the
applicable "heater current 1 value monitor," "heater current 2 value monitor," "leakage current 1 monitor," or
"leakage current 1 monitor" parameters in the operation level and adjustment level. Control continues, allowing
normal operation.

Troubleshooting

Checking Problems
If the Temperature Controller is not operating normally, check the following points before requesting repairs. If
the problem persists, contact your OMRON representative for details on returning the product.
Timing Status
Turning ON the Temperature unit
power for the ( C/ F) is flashing.
first time
Temperature error is
large.
Input error (S.Err dis-
play)
Communications are
not possible.
206
Meaning
ST (self-tuning) is in This is not a product fault. The temperature
progress (default unit ( C/ F) flashes while ST (self-tuning) is
setting: ON). being performed
Input type mismatch Check the sensor type and reset the input
type correctly.
Thermometer is not Check the thermometer installation location
installed properly. and polarity and install correctly.
Non-recommended Make sure that the connected device is not
adapter is being faulty.
used.
Countermeasures
Appendix A
Page
46
36
21
Section 1 of
Communi-
cations
User's Man-
ual