© 2022 Staheli West
158
Faults
Fault 227: Burner Controller Did Not Detect That Louver Actuator Opened
Indicates that the PLC detected louver open but the burner controller did not (See Fault 14).
Causes
Troubleshooting
Fixes
• Faulty ABD-1 relay in Panel 2.
• Swap with spare 24 V relay in Panel 1.
• Faulty 24 V regulator.
• Regulator giving less than 24
V (Check for 24 V on fuse 4-9 of
panel 3) (Fuses 6-11 on 2015-
2016 machines). May need to
check voltage during “Start All”.
• Replace 24 V regulator.
• Wiring issue.
• Trace the 120 V wires using the
louver actuator wiring diagram.
When the louver is closed T18
should have 120 V. When the
lover is open T19 should have
120 V.
• Use manual mode to open and
close louver for troubleshooting.
• Repair/Replace faulty wiring.
Fault 228: Steam Pressure Is Low
• See “Fault 309:
Loss of steam pressure during operation”.
Fault 229: Boiler Water Temp. Is Low and Steam Pressure Is Normal
• See “Fault 311:
Circulation Pump not running”.
Fault 230: Turn Water System On
Indicates that field mode is active and the water system is off.
Causes
Fixes
• Field mode is active and the
water system is off.
• Turn water system on.
Fault 231: Boiler Water Level Is Too High for Operation
• See “Fault 303: Boiler water level higher than set point /
Boiler overflowing”.