Saunier Duval ISOMAX F 28 E Installation And Operating Instructions Manual page 31

FAULT FINDING
List of fault codes
Code
00
02
04
05
06
07
08
09
10
11
12
13
14
15
20
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
31