LED
NOT
LIGHTING
UP
:
N
O
CONDENSATE
DISCHARGE
WHEN
TEST
BUTTON
IS
PRESSED
:
C
ONDENSATE
DISCHARGE
ONLY
WHEN
TEST
BUTTON
IS
PRESSED
:
D
EVICE
KEEPS
BLOWING
OFF
AIR
:
Troubleshooting
P
OSSIBLE
CAUSES
:
P
OWER
SUPPLY
FAULTY
P
OWER
SUPPLY
BOARD
DEFECTIVE
C
ONTROL
PCB
DEFECTIVE
-
C
HECK
VOLTAGE
ON
TYPE
PLATE
.
-
C
HECK
VOLTAGE
ON
POWER
SUPPLY
BOARD
AT
TERMINALS
0.0, 0.1, 0.2.
-
C
HECK
24 V
DC
VOLTAGE
ON
CONTROL
PCB
AT
TERMINALS
1.0, 1.1 (
WITHOUT
LOAD
,
UP
TO
36
V
DC
MAY
BE
MEASURED
)
-
C
HECK
PLUG
CONNECTION
/
RIBBON
CABLE
F
EED
AND
/
OR
OUTLET
LINE
SHUT
OFF
OR
BLOCKED
W
ORN
PARTS
(
SEALS
,
VALVE
CORE
,
DIAPHRAGM
)
C
ONTROL
PCB
DEFECTIVE
S
OLENOID
VALVE
DEFECTIVE
- C
HECK
FEED
LINE
AND
OUTLET
LINE
- R
EPLACE
WORN
PARTS
- C
HECK
IF
VALVE
OPENS
AUDIBLY
(
PRESS
TEST
BUTTON
SEVERAL
TIMES
)
- C
HECK
24 V
DC
VOLTAGE
ON
CONTROL
PCB
AT
TERMINALS
1.0, 1.1 (
WITHOUT
LOAD
,
UP
TO
36
36 V
DC
MAY
BE
MEASURED
)
F
EED
LINE
WITH
INSUFFICIENT
SLOPE
E
XCESSIVE
CONDENSATE
QUANTITIES
S
ENSOR
TUBE
EXTREMELY
DIRTY
D
ROPPING
BELOW
NECESSARY
MINIMUM
PRESSURE
- L
AY
FEED
LINE
WITH
ADEQUATE
SLOPE
- I
NSTALL
VENTING
LINE
- C
LEAN
SENSOR
TUBE
- E
NSURE
MINIMUM
PRESSURE
,
OTHERWISE
INSTALL
LOW
-
PRESSURE
OR
VACUUM
CONDENSATE
DRAIN
C
ONTROL
AIR
LINE
BLOCKED
W
ORN
PARTS
(
SEALS
,
VALVE
CORE
,
DIAPHRAGM
)
- C
LEAN
ENTIRE
VALVE
UNIT
- R
EPLACE
WORN
PARTS
- C
LEAN
SENSOR
TUBE
22
Quincy Compressor-Q MAT 05 Condensate Drain