22
Problem
LED Flashing
Is
Air
-Pr
o
ving
Switch Shor
ted?
(Check Continuity on
Air
-Pr
o
ving Switch in
Open and Closed
P
ositions).
Ye
s
R
epair Air
-Pr
o
ving Switch
One
T
ime
Flash Pattern
Begins
Immediately
After Condition
Occurs.
Is
Air Pr
o
ving Switch
Stuck Closed? Check
Continuity
.
Is
Air
flo
w Switch
Binding?
R
epair
.
Ye
s
Ye
s
No
No
R
eplace Air
-Pr
o
ving Switch
No
Def
ectiv
e Wire or Loose
Connection t
o
Air
-Pr
o
ving Switch
R
epair Wire or Connection
Summary of Contents for GreenGro Plus HD220
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