14
DISPLAY CAU SE
SOLUTION
Er
E1
E2
E3
E4
E5
Lo
dF
Dip S witch position incorrect
Room Temp Sensor D efect
Indoor C oil Temp Sen sor D efect
Outdoor Coil Temp Sensor Defect
Outdoor Amb ient Temp Sensor Defect
Communication Defect w ith T-Stat and Relay K it
DC voltage is below 10 Volts (+/- 0 .5V)
Indoor o r Outdoor coil is frozen
Set D ip swithces to c orr ect p osition on back of T hermos tat
Replace The rmostat
Check wire connections and ensure s ensor is properly i nstall ed.
Replace Sen sor
Check wire connections and ensure s ensor is properly i nstall ed.
Replace Sen sor
Check wire connections and ensure s ensor is properly i nstall ed.
Replace Sen sor
Check wi re c onnections at T -Stat and r el ay k it
Check wi re c onnections an d ensure DC vo lt ag e is above 1 0 v olts
System i s d eicing a nd ca nn ot b e u sed f or 3 5 m inutes an d will restart
automatic al ly
1
2
13
3
12
+
-
411
5 10
69
7
8
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