Error Messages - Rehau NEA Service Manual

SERVICE-MANUAL
NEA ROOM CONTROLLER 230V / 24V
5.

Error messages

No Description
Fr Frost protection
Remote temperature probe out
Er1
of range
Interruption of remote
Er2
temperature probe
Short circuit of remote
Er3
temperature probe
Room temperature probe out of
Er4
range
Interruption of room
Er5
temperature probe
Short circuit of room
Er6
temperature probe
© REHAU
Comment
Frost protection function has been activated
because room temperature is below +5°C
Measured value is out of allowed range from
-30 to 50°C
Probe defective or cable interrupted
Probe defective or short circuit on cable
Measured value is out of allowed range from
-30 to 50°C
Internal probe defective
Internal probe defective
Action
Ensure heating, possibly close windows
Check probe and cabling
Check probe and cabling
Check probe and cabling
Check whether controller is disposed to
improper temperature influences,
Replace controller NEA
Replace controller NEA
Replace controller NEA
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