Installation guide

ManualsBrandsDriSteem ManualsHousehold AppliancesHUMIDI-TECH DI

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1BHFt%3*45&&.7BQPSMPHJD

Installation and Operation Manual

Troubleshooting guide

Table 98-1:

Vapor-logic

troubleshooting guide

Problem Possible cause Action

Humidity above set point t )JHIFOUFSJOHSFMBUJWFIVNJEJUZ t %FIVNJEJGZ

t 6OJUPWFSTJ[FE t $POTVMU%3*45&&.

t 3FEVDFEBJSnPX t $IFDLGBOTEBNQFST7"7TZTUFNTFUD

t *NQSPQFSMZMPDBUFEIVNJEJTUBUPS

humidity transmitters

t 3FMPDBUFVTJOHHVJEFMJOFTFTUBCMJTIFEJOUIJTNBOVBMTFF

Pages

26–33)

t .BMGVODUJPOJOHDPOUSPMT t $IFDLGPSJODPSSFDUTVQQMZWPMUBHF

t $IFDLGPSJODPSSFDUDPOUSPMTJHOBM

t $IFDLGPSJNQSPQFSXJSJOHIPPLVQ

t *GIVNJEJUZDPOUSPMMFSPSUSBOTNJUUFSBSFPVUPGDBMJCSBUJPO

or malfunctioning, repair or recalibrate.

t $IFDLJG4434$3DPOUBDUPSTIPSUFE3FQBJSPSSFQMBDFBT

needed.

Hunting (humidity swings above

and below desired set point)

t .BMGVODUJPOJOHDPOUSPMTZTUFN t *GUIFSFJTBGBVMUZPSJOBDDVSBUFIVNJEJUZDPOUSPMMFSPS

transmitter, repair or replace.

t $IFDLGPSQSPQFS7BQPSMPHJD

DPOUSPMTFUUJOHT3)TFU

point, high limit set point, cycle rate, PID tuning, etc.

t 3FMPDBUFQPPSMZMPDBUFEDPOUSPMDPNQPOFOUT4FF

humidity control placement information on Page

27 for

recommendations.

t 0O443VOJUT$POUSPMXJSFBOEQPXFSXJSFTNVTUCF

physically separated from each other. If they are not,

an induced control voltage can occur, causing erratic

operation.

t 7FSJGZUIBUXJSFLFZQBEEJTQMBZNPEVMBSDBCMFJTJTPMBUFE

from power wiring.

t "JSWPMVNFWBSJFTSBQJEMZ t 4UBCJMJ[F

t "JSUFNQFSBUVSFJTWBSZJOHSBQJEMZ t 4UBCJMJ[FUP'$

t1SPQPSUJPOBMCBOEJTUPPTNBMMBOE

or integral gain (Ki) is too large

t *G3)TXJOHTPVUTJEF1*%CBOEJODSFBTF1*%CBOEVTJOH

the keypad Set Up menu.

t %FDSFBTFJOUFHSBMHBJO,JVTJOHUIF4FU6QNFOV