Saunier Duval ISOFAST F 28 E Installation And Operating Instructions Manual page 30

FAULT FINDING
List of fault codes
Code
00
02
04
05
06
07
08
09
10
11
12
13
14
15
20
3 0
Fault
No fault
Air flow fault
Ignition fault -flame detection
Overheating
Central heating thermistor/wiring fault
Domestic hot water thermistor/wiring fault
Storage vessel thermistor/wiring fault
System pressure sensor fault
Fan fault
Pump blockage
User interface fault
Main PCB fault
CTN2 > 97 C - pump will run
Gas mechanism fault
Communication fault
Additional display
information