VOKERA Linea Service Manual download pdf (Page 33)

31

Linea

MAINS

ON FAN

REPLACE FAN

REPLACE

WIRING OR

CONNECTIONS

MAINS

ON PUMP

REPLACE PUMP

A2

A

IS

THERE 0 Vdc

BETWEEN TERMINALS

M5.5 & M5.6

ON PCB

CHECK &/OR

REPLACE

WIRING AND

CONNECTIONS

MAINS

ON FAN

CONNECTOR

M12.1 &

M12.2

REPLACE

CONTROL

BOARD

MAINS

ON PUMP

CONNECTOR

M15.1 &

M15.2

REPLACE

CONTROL

BOARD

FAN RUNNING

PUMP

RUNNING

GREEN LED

ALIGHT

TURN ON HOT

TAP

SWITCH ON/OFF

SELECTOR TO

DHW POSITION

START

TEST A : CHECKING OPERATION OF ELECTRONIC

CONTROL BOARD AT START UP

VOKERA

LINEA PLUS AG

Rev. 1 08/03/2000

REPLACE PCB

MAINS

ON 3 WAY

VALVE BETWEEN

TERMINALS

M11.1 & M11.3

ON PCB

CHECK &/OR REPLACE

WIRING OR CONNECTIONS

AND 3 WAY VALVE

IS THE

3 WAY VALVE

IN DHW

POSITION?

IS

THERE 5 Vdc

BETWEEN TERMINALS

M5.5 & M5.6

ON PCB

CHECK WIRING AND

CONNECTIONS OR

DHW FLOW SWITCH

REPLACE

CONTROL

BOARD

CHECK FLUE GAS TUBE,

DIFFERENTIAL ANALOG

PRESSURE SWITCH AND

WIRING OR

CONNECTIONS

IS

THERE 0 - 1 Vdc

BETWEEN TERMINALS

M3.11 & M3.10

ON PCB

YES

YES

NO

NO

NO

YES

YES

YES

NO

NO

YES

YES

YES

NO

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

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