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20
21
HR
V
TROUBLE SHOOTING GUIDE
OPERA
TION GUIDE
PROBLEM
PROBABLE CAUSE
SOLUTION
PERSISTENT
CONDENSA
TION
ON
WINDOWS
IMPROPER
ADJUSTMENT
OF DEHUMIDIST
AT(S).
ADJUST
DEHUMIDIST
AT(S)
TO CORRECT
RH READING (see operation manual),
ADJUST
TO
A LOWER SETTING.
CHECK OPERA
TION OF DEHUMIDIST
AT
, IF
DEFECTIVE, REPLACE. INST
ALL
A
DEHUMIDIST
AT
IN LIVING
AREA
OF HOME.
IMPROPER
VENTILA
TION RA
TE.
ENSURE HR
V IS ON CONTINUOUSL
Y.
INCREASE F
AN SPEED. BALANCE SYSTEM.
DEFROST
NOT
WORKING.
BROKEN DAMPER BLADE
ASSY
.
REPLACE.
FRESH
AIR DUCT
FROZEN
OR
VER
Y COLD
(DEFROST
LIGHT
COMES ON) .
FAILED MAIN CONTROL
BOARD.
IF DAMPER DOOR DOES NOT
OPERA
TE
DURING “ST
AR
T UP
SELF DIAGNOSTIC”
BUT
POWER LIGHTS
ARE ON, BOARD MA
Y
REQUIRE REPLACEMENT
.
DEFECTIVE DAMPER MOT
OR.
REPLACE. INSPECT
CONNECTION BETWEEN MOT
OR
SHAFT
AND DAMPER, COUPLING MA
Y BE
LOOSE.
HUMIDITY
LEVEL
T
OO LOW
HR
V
AIR FLOWS IMPROPERL
Y BALANCED.
BALANCE HR
V
DEHUMIDIST
AT
CONTROL
SET
T
O LOW
.
SET
DEHUMIDIST
AT
T
O
A HIGHER SET
POINT
.
LIFE STYLE OF OCCUP
ANTS.
HUMIDITY
MA
Y HA
VE
TO BE
AR
TIFICIALL
Y
ADDED,
i.e. HUMIDIFIER.
VENTILA
TION RA
TE
TOO HIGH
ADJUST
T
O LOWER F
AN SPEED OR
INTERMITTENT
Summary of Contents for Proventor II Series
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