E5L
6
Setting Protection
1.
Setting Protection (Process Value Display)
Press the
and
Keys simultaneously while the process
value is being displayed to change to the setting protection state.
2.
Setting Protection (Set Temperature Display)
From the Setting Protection (process value display) Mode, press
the
and
Keys simultaneously to change to the setting
protection (set temperature display) state.
3.
From the Setting Protection (set temperature display) Mode, press
the
and
Keys simultaneously to return to the process
value display with no setting protection.
Note: 1.
Setting protection disables key operations to prevent the
settings from being changed accidentally.
will be lit
while protection is in effect.
2.
Protection will be maintained even when the power supply
is turned OFF and ON.
Error Displays and Causes
E5L-A
@
When a thermistor disconnection occurs, the built-in relay operates at the OFF side (when NO contacts are used).
E5L-C
@
When an error occurs, the display shows the error code. Take the necessary measures, referring to the following table.
Note: 1.
Errors are not displayed while settings are being changed, except for memory errors. The control output status will be as shown in the
above table while the set temperature or hysteresis is being set. The control output will be OFF while the temperature input shift or direct/
reverse operation setting is being set. Key operations will be possible when an error occurs, except for a memory error.
2.
The setting protection indicator (
) and set value indicator ("SV") will be continued even when settings are protected, except when a
memory error occurs.
Display example
Display
Process value display
Set temperature display
Thermistor
NO contacts
(Terminal numbers 8 and 12)
*
Heating load
NC contacts
(Terminal numbers 4 and 12)
*
Cooling load
Disconnection
OFF
ON
Short-circuit
OFF
ON
Display
Meaning
Cause
Control output
FFF (lit)
Overflow
The process value is higher than the set
temperature range.
Reverse operation: OFF
Direct operation: ON
--- (lit)
Underflow
The process value is lower than the set
temperature range
Reverse operation: ON
Direct operation: OFF
FFF (flashing)
Thermistor short-
circuited
The thermistor is short-circuited.
Reverse operation: OFF
Direct operation: OFF
--- (flashing)
Thermistor
disconnected
The thermistor is disconnected.
Reverse operation: OFF
Direct operation: OFF
E11 (lit)
Memory error
The thermostat has failed.
OFF
Summary of Contents for E5L Series
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