15
Operation
LED 2 (green / yellow,
POSITION
)
LED states
Display
green
yellow
on
off
Actuator closed
off
on
Actuator open
flashes slowly
off
Constant control deviation
(actual value > nominal value)
off
flashes slowly Constant control deviation
(actual value < nominal value)
flashes quickly
off
Closing in MANUAL operating
state
off
flashes quickly Opening in MANUAL operating
state
Tab. 8: LED states, LED 2
7.3
Error messages
7.3.1 Error messages in MANUAL and AUTOMATIC
operating states
Display
Cause of fault
Remedial action
LED 3
FAULT
(red) on
Checksum error in data
memory
→
Data memory defective
→
The device automatically
switches to an older
(possibly not current) data
record.
No remedy possible.
Device defective.
Contact your EBRO
sales office.
Tab. 9: Error messages in MANUAL and AUTOMATIC operating states
english
Type EP 501 B
Summary of Contents for EP 501 B
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