AUTOFLAME Mk8 MM - Page 50

Lockout Message Description
15 NO CPI Reset Proof of closure switch not made after valves closed
 Check wiring on terminal 55 and check proof of closure switches
16 Prolonged Lockout Reset Prolonged voltage detected on terminal 56/ lockout reset
button permanently pressed
 Check lockout reset button is not pressed
 Check wiring on terminal 56
17 Gas Pressure Low Gas pressure low limit exceeded while firing(gas sensor)
 Check gas pressure
 Check option/ parameter 136
18 Gas Pressure High Gas pressure high limit exceeded while firing (gas sensor)
 Check gas pressure
 Check option/ parameter 137
19 RAM Test Failed Hardware fault
 Contact Autoflame approved local tech centre
20 PROM Test Failed Hardware fault
 Contact Autoflame approved local tech centre
21 FSR Test 1A Internal relay test failed
 Check wiring and voltages on terminals 50 – 63
22 FSR Test 2A Internal relay test failed
 Check wiring and voltages on terminals 50 – 63
23 FSR Test 1B Internal relay test failed
 Check wiring and voltages on terminals 50 – 63
24 FSR Test 2B Internal relay test failed
 Check wiring and voltages on terminals 50 – 63
25 Watchdog Fail 2A Internal check failed
 Contact Autoflame approved local tech centre
26 Watchdog Fail 2B Internal check failed
 Contact Autoflame approved local tech centre
27 Watchdog Fail 2C Internal check failed
 Contact Autoflame approved local tech centre
28 Watchdog Fail 2D Internal check failed
 Contact Autoflame
29 Input Fault Power supply fault
 Check mains voltage to the MM
32 Gas Pressure Low Limit Gas pressure lower than commissioned VPS value
 Check gas pressure sensor value
 Check option/parameter 136
33 VPS Air Zeroing Gas pressure sensor cannot be zeroed at VPS venting
 Check gas pressure is within zero range (see MM Application Possibilities)
 Check vent valve
36 Oil Pressure Too Low Oil pressure below offset lower limit during running
 Check option/parameter 139
 Check oil pressure sensor
37 Oil Pressure Too High Oil pressure above offset upper limit during running
 Check option/parameter 140
 Check oil pressure sensor
Page 45 Mk8 MM End User Guide 22.05.2017
4 Errors and Lockouts