Normal Operation Display Codes - Keston System s30 User Manual

7.

NORMAL OPERATION DISPLAY CODES

DISPLAY CODE ON BOILER
00
54
C
o
ON
54
o C
ON
FP
- -
6
DESCRIPTION
The boiler is in standby operation awaiting either a central heating call or hot water demand.
The boiler has a call for central heating but the appliance has reached the desired
temperature set on the boiler.
The boiler is operating in central heating / hot water mode.
The boiler is operating in frost protection.
The boiler mode knob (B) is in the off position, rotate fully clockwise for hot water and central
heating operation.
User's