TM
‐
12
‐
011
Troubleshooting
Manual
2
1.1 “E1” Room air sensor contact open / short
Wired
Controller
Display
E1
LED
indications
Error
Generation
The
error
is
generated
when
room
sensor
is
disconnected
or
shorted
while
system
running.
Supposed
causes
The
possible
causes
are:
Faulty
sensor
Broken
wire
Loosen
wire
contact
Troubleshooting