Herz BioFire 500 - Page 73

Fault reports and their corrections
10
73
No.
Fault report
Cause of fault
Fault correction
119
FAS UNCOUPL
if digital input FAS uncouple
responding
• hopper couple on
• Check end switch
120
FLOATSWITCH
if digital input FLOATSWITCH
responding
• Determine and remedy the cause
of water ingress
121
SYSTEM PRESSURE
if digital input Safety pressure limiter
SPL responding
• Check the heating system for
leaks and top up with water if
necessary
122
MP Back flow pump
if digital input MP Back flow pump
responding
check back flow pump; renew back
flow pump
123
PHASE SEQUENCE
if phase sequence error is detected
- error in the direction of rotation of
the supply (phases of the supply line
were interchanged; phase failure of
the supply line)
check the supply line by authorized
personnel
124
UNDER PRESSURE
SOCKET
- no signal from under pressure
socket
- at Ignition preparation or ready
cable break
On heating off, otherwise burn-out is
carried out
125
EXT.POWER MAX
if signal at ext. Power limitation falls
below 1.3V
✆ - contracting party
126
FLOOR CLOSE
End switch ASH SCRAPER FLOOR
always in the same position
Check grate motor or endswitch
adjust end switch
127
FLOOR ACTIVE
Ash scrapper floor open during
burnup
Check grate motor or endswitch
adjust end switch
128
Walking Floor - Fault
if
1) Ash scraper floor is open for the
2nd time during burnup 2) Ash
scraper floor is always in the same
position (on 2nd control) 3) MP ash
scraper is active (on 2nd control)
Check grate motor or endswitch
adjust end switch
131
MP ASH SCRAPER
FLOOR
if digital input MP ASH SCRAPER
FLOOR responding
Check the ash bottom motor;
Remove foreign objects; Exchange
the motor
132
FAULT EXT. FEEDING
SYS.
if digital input ext. Discharge screw
responds
Check discharge system (motor,
screw, springs) to debris
133
FAULT CENTR. ASH
SYS.
if digital input ext. ash-system
responds
Check discharge system (motor,
screw, springs) to debris
146
Module Floor temp.
*CAN communication to the walking
floor monitoring-module was
interrupted or the module was not
found
*Sensor break; Value outside the
measuring range
(-10 - 600°C)
*Check connection module CANBus
*Check module
*Check sensor, replace as renew
Check plug, replace as renew
Check wiring incl. connections,
replace as renew
✆ - contracting party
180
KAS CONNECTION
No connection to cascade
Check cascade connection
181
KAS OFFLINE
Boiler is not available to cascade
Establish data connection
182
KAS ALARM
Leading boiler couldn't be started or
got stopped
Start leading boiler
✆ - contracting party
183
ERR_KAS_CONFIG
more than one participant in the
cascade has created modules
Create modules only in the main
boiler
Restart the controller
✆ - contracting party
189
CAS CHKDATA
Cascade parameter is not in the
specified range
Restart T-Control
Check cascade parameter
199
CPU Update
Software-Update are carried out
Reboot of the Control