Herz BioFire 500 - Page 72

10
Fault reports and their corrections
72
No.
Fault report
Cause of fault
Fault correction
105
MP STOKER
if digital input MP stoker responding
motor protection acknowledge
• Remove debris
• Use fuel according to
specifications
• change motor
• screw renew
106
MP AAT
if digital input MP AAT responding
motor protection acknowledge
• Remove debris
• Use fuel according to
specifications
• change motor
• screw renew
107
MP HEAT EXCHANGER
CLEANING
if digital input MP HEC responding
• motor protection acknowledge
• make common Heat exchanger
cleaning
• Lubricate the boom with proper
lubricant
• Shorten cleaning time
• extend duration
Readjust the guide plate
108
MP FAAT
if digital input MP FAAT responding
motor protection acknowledge
• Remove debris
• Use fuel according to
specifications
• change motor
• screw renew
109
MP pusher grate
if digital input MP pusher grate
responding
motor protection acknowledge
• Remove debris
• Use fuel according to
specifications
• change motor
110
Fault grate
if MP has addressed the pusher
grate and the burner cleaning is to
be carried out for the second time
Switch off equipment!
motor protection acknowledge
• Remove debris
• Use fuel according to
specifications
change motor
111
HEAT EXCHANGER
CLEANING
if MP has addressed the HEC and
the HEC is to be carried out for the
third time
same as Fault 107
112
FAAT
if MP has addressed the FAS and
the FAS is to be carried out for the
third time
same as Fault 108
113
CLOSE BYPASS
if the digital input does not respond
to activation within 3 min
Check Serve motor and if necessary
renew
114
FC ID-fan
if digital input MP FC ID-fan
responding
• Starting the system
FC renew
115
Under pressure
-Under pressure min. value is not
exceeded within 30 seconds
On heating off, otherwise burn-out is
carried out
116
OVERCUR. STOKER
if current measurement from Stoker
too high
check the supply line by authorized
personnel
117
PHASE CUTOFF
when phase detection detects errors
check the supply line by authorized
personnel
118
AS UNCOUPL
if digital input MP AS uncouple
responding
• hopper couple on
• Check end switch