Ariston microSYSTEM 21 RFFI 설치 지침 매뉴얼 - 페이지 40

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FAULT FINDING

2.1

AULT

INDING

LOW

CHARTS

It is possible to detect and correct any defect by using the standard fault

UIDE

finding diagrams described in this chapter.

)

RELIMINARY CHECKS

MAKE SURE THAT

1 - T

HERE IS SUFFICIENT

WATER IN THE SYSTEM

2 - T

HE GAS IS TURNED ON

3 - T

HE ELECTRICAL SUPPLY

IS TURNED ON

RESS THE

OFF BUTTON

THE SUPPLY

L.E.D. ILLUMINATED?

YES

RESS THE CENTRAL

HEATING BUTTON

THE L.E.D.

ILLUMINATED?

YES

THE

TIME CLOCK/

PROGRAMMER

AND/OR ROOM

THERMOSTAT

CALLING FOR

HEATING?

YES

1 - C

HECK THE FUSES

2 - C

HECK THERE IS POWER

P.C.B.

SUPPLIED TO THE

3 - C

HECK

REPLACE THE

(CT1)

1 - C

HECK THE INTEGRITY

L.E.D.

OF THE

2 - C

HECK

REPLACE THE

(CT1)

FROST

PROTECTION IS

ACTIVATED <5¡C. IS THE

FROSTPROTECTION

REQUESTED?

YES

P.C.B.

B063