DriSteem Vapor-logic3 Instrucciones de operaciones descargar pdf (Pagina 67)

65

Operation

Operation:

Troubleshooting guide

Troubleshooting guide.

Problem

number

Problem Possible cause Action

29

30

Fill valve cycles on and

off frequently (several

times per minute).

Heater burnout

 Malfunctioning level

control system

 Drain valve not fully

closed

 Water level is too low.

 Improper wiring

 Mineral buildup

impeding heat transfer

to water

 Heater corrosion

 If needed, clean probe tips.

 Check water conductivity. (Minimum

conductivity for proper operation of

level control system is 100 micromhos

per centimeter or 2 grains per gallon.)

 Verify that probe wiring is correct.

 If an obstruction will not allow drain

valve to fully close, clean valve.

 If there is a broken or weak return

spring on drain valve, replace the

valve.

 Check if 24 VAC is present at valve. If

so, check wiring of VAPOR-LOGIC

®

3

control board terminals 3 and 4.

 Check probes and clean tips if

necessary.

 Clean probe still-well area in tank.

 Check drain valve and clean, repair, or

replace as needed.

 Verify proper voltage applied to heater.

 Verify proper electrical connections.

 Inspect tank for severe mineral buildup

on or around heater. Increase

skimming quantity, frequency of drain

cycle, and/or frequency of cleaning.

Use softened makeup water.

 Inspect heater for surface corrosion or

pitting. If evident, consult

DRI-STEEM.

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