VOKERA Linea Service Manual download pdf (Page 36)

34

Linea

DOES

BURNER

LIGHT

CHECK BOILER

STARTUP:

TEST A

TURN ON TAP

TURN MODE

SELECTOR SWITCH TO

DHW.

DHW STAT AT MAX.

START

TEST B : CHECK CONTROL

IN DHW MODE

TURN DHW

THERMOSTAT AT

MIN.

DO

BURNER AND FAN

SWITCH OFF

IS

WATER FLOW

TEMPERATURE

>40 ûC

WAIT WATER

FLOW

TEMPERATURE

>40 ûC

REPLACE

CONTROL

BOARD

TURN DHW

THERMOSTAT AT

MAX.

B

IS

THERE A

VOLTAGE >4 Vdc

BETWEEN TERMINALS

M3.10 & M3.11

ON PCB

CHECK FAN, WIRING

AND CONNECTIONS,

DIFFERENTIAL ANALOG

PRESSURE SWITCH AND

CONTROL BOARD

IS

FAN

ON?

CHECK FLUE

VENTURI TUBE

IS

D.A.P.S.

OK?

REPLACE DIFFERENTIAL

ANALOG PRESSURE

SWITCH

VOKERA

LINEA PLUS AG

Rev. 1 08/03/2000

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

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