AUTOFLAME Mk8 MM - Page 376

19 Errors & Lockouts
Mk8 MM Manual Page | 376
Lockout
Message
Description
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 Autoflame Sensors Guide)
• 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
39
Freeze Timeout
MM kept in Phase Hold for more than 10minutes
• MM kept in Phase Hold during commissioning for more than 10 minutes
40
Purge Air Pressure Low
Insufficient air pressure during purge
• Check option/parameter 141
• Check air pressure sensor/ air pressure switch