Redring DC3810 manual Troubleshooting - No Hot Water - Indirect, Start, Is Boiler On?, Hot Water?

TROUBLESHOOTING - NO HOT WATER - INDIRECT

START

NO

IS BOILER ON?

YES

IS

PROGRAMMER NO SWITCHED TO

HOT WATER?

YES

IS

MID POSITION NO VALVE IN CORRECT

POSITION

YES

IS

CONTROL NO

TEMPERATURE SET

AT 55oC-60oC?

YES

HAS NO HIGH LIMIT

CUT OUT?

YES

RE-SET

END

SWITCH ON

SET PROGRAMME

RE-SET, CHECK

WIRING & PLUMBING

IS CORRECT

RE-SET

IS ALL	NO
WIRING TO THE
CONTROLS
OK?
YES
REPLACE
THERMOSTAT

RE-WIRE

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