Varifan SVIM-1LE User Manual page 33

−
Err 3 on display
−
Err 4 on display
−
−
Err 5 on display
Module can't detect a
(Consequently, it automatically switches to
time mode for backup). The message
disapears when the problem has been
corrected. If this message appears often, it
is recommended to check
connections and to change the actuator's
potentiomer.
Faulty or missing temperature probe.
Faulty setting of normal or backup operating
mode
The opening time is too short to obtain a
precise positioning.
www.monitrol.com
APPENDIX
potentiometer.
the wiring
Page 33