Keston Combi 35kw User Manual download pdf (Page 59)

Fault Finding

Fault Finding Fault Finding Fault Finding Fault Finding Fault Finding

Keston Combi - Installation and Servicing

FAULT 8 - CONTACT INSTALLER (FALSE FLAME LOCKOUT)

Reset the boiler, does Boiler Work OK?

Check routing and integrity of internal boiler

wiring is OK. Check condition of Flame Sense

Electrode and replace if deteriorated.

Separate the ame detection electrode in-line

connector. Is there continuity between the terminals

pins connected to the electrode?

YES

Replace Flame Detection Electrode

YES

Check routing and integrity of internal boiler wiring.

LOW WATER PRESSURE - 1 FILL SYSTEM TO 1.0 BAR - 2 BLEED RADIATORS -

3 CONTACT INSTALLER

Are the Boiler and CH System lled with water and

all isolation and radiator valves open (check pressure

gauge is between 1 to 1.5 bar)?

Fill and vent the system and open all isolation valves

YES

Are connections on water pressure sensor secure?

RESET PROCEDURE - To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.

YES

Replace water pressure sensor

Re-t connections

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 71 72

No comments

Keston Combi 35kw User Manual Page 59