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Problem
Probable Cause
Etun
Auto tune cannot be performed.
A change made to a parameter takes a
finite time to be entered. If the power to the control-
EConF
ler is turned off before the change has been entered
then this alarm will occur. Do not turn the power off
to the controller while EConF is flashing.
ECAL
Calibration error
E2.Er
EEPROM error
EE.Er
Non-vol memory error
Invalid input type. This refers to custom
E.Lin
linearization which may not have been applied
correctly or may have been corrupted.
The furnace is not connected to the power supply.
The controller
Main switch is defective.
displays does not
illuminate.
One of two circuit breakers is tripped
S.Br
Thermocouple open/broken
Mini-mite Tube Furnace
Troubleshooting
WARNING : Troubleshooting procedures involve working with high voltages which
can cause injury or death. Troubleshooting should only be performed by trained
personnel.
This section is a guide to troubleshooting furnace problems.
Table 5 Eurotherm 3216 Controller Troubleshooting
Solution
Note the error and contact your supplier
Enter configuration mode then return to the required
operating mode. It may be necessary to re-enter the
parameter change since it will not have been entered in the
previous configuration.
Re-instate Factory calibration
Return to factory for repair
Note the error and contact your supplier
Go to the INPUT list in configuration level and set a valid
thermocouple or input type.
Check furnace connection to power source.
Replace power switch or controller. This should be done by
trained technician.
If you find the breaker tripped first try to reset it by pressing
the button in. If the breaker is not tripped and will not reset it
should be replaced. Ensure both breakers are reset.
Replace the thermocouple or contact your supplier for
thermocouple replacement.
Troubleshooting |
Chapter 9
304243H02 | 9-56
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