Quinny 65040-AB User Manual
Section IX - Troubleshooting
Probable Causes:
Corrective Action:
Quincy Compressor
®
- QSD™
75
C
HECK
AND
TIGHTEN
WIRING
TERMINALS
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
C
HECK
AND
REPLACE
TIMER
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
N
O
AIR
SHOULD
BE
BLOWING
OUT
FROM
THE
MUFFLERS
DURING
LOADED
OPERATION
.
C
HECK
AND
RESET
SEQUENCE
OR
SCHEDULE
AS
NECESSARY
.
C
HECK
AND
REPAIR
ANY
LEAKS
.
C
HECK
PLANT
AIR
DISTRIBUTION
SYSTEM
FOR
LEAKS
.
A
DD
MORE
STORAGE
CAPACITY
AS
CLOSE
TO
THE
COMPRESSOR
AS
POSSIBLE
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
R
EPAIR
OR
REPLACE
AS
NECESSARY
.
R
EPLACE
AS
NECESSARY
.
C
HECK
AND
REPAIR
ANY
LEAKS
.
D
RAIN
LINES
,
REPLACE
AS
NECESSARY
.
R
EPLACE
AS
NECESSARY
.
A
DD
STORAGE
CAPACITY
(
MINIMUM
OF
THREE
GALLONS
PER
CFM).
Compressor does not revert to Load when Service Line Pressure Drops to Reset Pressure:
L
OOSE
WIRING
CONNECTION
F
AULTY
PRESSURE
SENSOR
F
AULTY
SOLENOID
F
AULTY
TIMER
F
AULTY
LIFT
VALVE
(
S
)
F
AULTY
BLOWDOWN
VALVE
(
S
)
N
ETWORK
OUT
OF
SEQUENCE
OR
SCHEDULE
Compressor Will not Time out or Shut down when Unloaded (Auto Dual Only):
L
EAKS
IN
CONTROL
LINES
L
EAKS
IN
SERVICE
LINES
S
TORAGE
CAPACITY
TOO
SMALL
LEAKS
IN
MINIMUM
PRESSURE
CHECK
VALVE
F
AULTY
AIR
PRESSURE
SWITCH
F
AULTY
AIR
PRESSURE
SENSORS
Too Rapid Cycling Between Load and Unload:
L
EAKS
IN
CONTROL
LINES
W
ATER
OR
ICE
IN
CONTROL
LINES
F
AULTY
AIR
PRESSURE
SENSORS
S
TORAGE
CAPACITY
TOO
SMALL