DriSteem Vapor-logic3 Instrucciones de operaciones descargar pdf (Pagina 64)

62

Operation

Operation:

Troubleshooting guide

Troubleshooting guide.

Problem

number

Problem Possible cause Action

26

Unit does not fill with

water (cont.).

 Unit is not in auto

mode.

 VAPOR-LOGIC

®

3

control is in end of

season drain mode.

 Malfunctioning level

control system

 Inlet water needle

valve is closed.

 Go to Control Modes screen and select

Auto Mode.

 Check for humidity demand

(VAPOR-LOGIC

3

control board

terminals 21, 22 and 23 of terminal

block J26).

 Disconnect brown and orange wires

connected to VAPOR-LOGIC

3

board

terminals 30 and 31 of terminal block

J8. If fill valve does not open, check

for proper 24 VAC (terminals 1 and 2)

to fill valve coil. If proper voltage is

not present, the control board is

defective.

 Check terminals 30, 31, 32 and 33 on

VAPOR-LOGIC

3

control board

terminal block J8 for correct voltage:

 32 (purple) to 33 (yellow),

no water present > 2 VAC

 32 (purple) to 33 (yellow),

water present < 1/4 VAC

 31 (orange) to 33 (yellow),

same readings as above

 30 (brown) to 33 (yellow),

same readings as above

 Check needle valve.

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