Carrier 31KAX - Manual (Page 12)

TROUBLE ANALYSIS CHART
PROBLEM POSSIBLE CAUSES REMEDY
Operation light off
Shorted cells
Defective light
Defective power supply
See “Electrical Troubleshooting
Guide” section.
Blower not operating Energize blower.
Cells wet either due to high humidity or from washing Cells will dry.
Unit snaps or arcs continuously
Line voltage too high Adjust line voltage.
Cells need cleaning Clean cells.
Broken ionizer wire Replace wire.
Broken contact spring on cell Replace spring.
Broken insulator in cell Replace insulator.
Broken insulator in power door Replace insulator.
Foreign material lodged in ionizer or between plates Remove object.
Bent plates Straighten.
Humming noise
Improper wiring connections Correct.
Loose ionizer wires Replace or repair.
Ionizer wires not centered Center wires between plates.
Excessively dirty ionizer or collector Clean.
Deformed contact spring on cell Adjust spring.
Air cleaner does not clean dirt
Lack of power to cells because of improper alignment of contact spring cells
to power door
Adjust alignment or replace spring.
Defective interlock plug or receptacle Replace.
Air volume too great Reduce air volume to design CFM.
Leaks in ductwork on clean air side of air cleaner Seal.
Dirty air not being delivered to air cleaner Check return-air grilles for obstruc­
tion by furniture, drapes, etc. Re­
move.
Uneven air distribution across face of unit. Uneven air distribution across
face of unit may be indicated by uneven loading pattern of dirt in collector
section of air cleaning cells. The entering-air side of collector stage should
be evenly covered with dirt. In the case of the two cell units, each cell
should have an even loading pattern.
Install turning vanes of air baffles.
CAUTION: Do not block off any of
the entering-air side opening to the
unit.
Radio or TV interference
Accumulation of foreign particles lodged in ionizer section Remove.
Unit improperly grounded Provide good ground to power pack.
Ground line of supply line voltage not properly grounded Correct.
Loose ionizer wires Replace.
Loosely connected components or primary-voltage wiring Tighten.
Defective power pack Replace.
Dents in collector section or ionizer section Straighten.
Improper contact between power door & cells Adjust alignment of contact spring.
Weak-station/poor ground Add E.M.I./R.F.I. filter, in power line.
Defective insulator Replace.
White dust on furnishings
This dust can be described as “clean dirt” and is composed mainly of lint,
which because of its weight settles out of the living space before it
reaches the air returns. It is “white” because the submicron dirt particles,
which normally would color it and render it invisible, have been removed
from the air space.
This problem requires no solution. It
is visible evidence that the air
cleaner is cleaning up the staining
and soiling dirt particles from the
living space.
Copyright 1991 Carrier Corporation, Indpls., IN 46206
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 101 Catalog No. 533-134 Printed in U.S.A. Form 31KAX-8SI Pg12 12-91 Replaces: 31KAX-1 SI Book 1 4
Tab 7a 9a