DriSteem Vapor-Logic Installationsanleitung PDF herunterladen (Seite 42)

TROUBLE-SHOOTING GUIDE

PROBLEM POSSIBLE CAUSE RECOMMENDED ACTION

CONTROL DOES

NOT ENERGIZE

Non-existent supply voltage to

unit

Check main line fuse.

Check main line safety switch.

Check heater fuses.

Non-existent control voltage Check for proper supply.

Verify proper transformer voltage characteristics.

Verify proper wiring of transformer.

Check for control circuit voltage, 24 VAC. If voltage is no

present, check transformer circuit breaker. Reset if

needed.

Heater over-temperature

thermostat open (optional)

Reset manual switch located above heater.

UNIT DOES NOT

FILL WITH WATER

Malfunctioning fill valve First, disconnect brown wire and then the orange wire

from VAPOR-LOGIC board terminals 1 & 2 of terminal

block J12. Fill valve should open.

If fill valve does not open, verify proper 24 VAC

(terminals 20 & 21) to fill valve. If voltage is present and

valve does not open, replace valve or valve coil.

Verify that coil is 24 VAC.

Verify that valve stem moves freely.

No water supply to fill valve Check if water supply line strainer is plugged.

Verify that manual water line shut-off valve is open and

that pressure exists.

Improper slide switch setting on

VAPOR-LOGIC control board

Set slide switch to "AUTO" mode.

VAPOR-LOGIC control is in

"end of season" drain mode

Check for humidity demand. (VAPOR-LOGIC control

board terminals 5, 6 & 7 - Control Input 1 of terminal

block J8.)

Malfunctioning level control

system

Verify that unit has new probe head design. If probe

head does not have skirt extensions surrounding probe

rods, it is an obsolete model and DRI-STEEM

recommends replacement of probe assembly.

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