User Guide

Part number 550-100-325/0718
90
AquaBalance
®
SERIES 2 WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
34 Troubleshooting (continued)
Figure 115 Troubleshooting suggestions — Fault displays and diagnostics (continued)
*
Boiler water pressure switch is set for 9 psi (±2) minimum pressure.
Fault
Code
Fault Condition Correction
F13
Exhaust probe fault
Probe damaged
Check the wiring or replace the exhaust
probe
Wiring shorted
Wiring disconnected
F14
Delivery sensor 2 fault
Sensor damaged Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F15
Fan fault
No 120V power supply Check the 8-pin connector wiring
Tachometric signal interrupted Check the 8-pin connector wiring
Fan damaged Check the fan
Condensate trap blocked and or con-
densate drain hose looped making a
second trap.
Check the trap and clean it if necessary
Also inspect gas valve, blower, venturi, igniter,
and heat exchanger, and replace those with
signs of damage.
F27
Flue temp
Exhaust gas temp too high
Make sure correct vent material was
selected (Parameter List 165)
F34
Supply voltage under 100V
Electric voltage trouble
Check the electrical system (Can’t have
more than 1 pump wired to boiler
F35
Faulty voltage frequency
Electric voltage trouble Check the electrical system
F37
Incorrect system water
pressure
*
Pressure too low < 8 psi
Fill the system
Water pressure switch damaged or not
connected
Check the sensor
Check Heating Only boiler primary loop
pump, must pump towards return side
of boiler.
Check pump location and pump water direc
-
tion
F39
Outdoor sensor fault
Sensor damaged or wiring shorted Check the wiring or replace the sensor
Sensor disconnected after activating the
sliding temperature
Reconnect the outdoor sensor or disable the
sliding temperature
A16
Outdoor sensor fault
Outdoor sensor is not connected Check the sensor
A26
System installation
F40 Error repeated 3 times in 1 hour Check the water pressure in the system
A41
Sensor positioning
Supply sensor disconnected from pipe
Check the correct positioning and operation
of the heating sensor
A42
Heating sensor fault
Sensor damaged Replace the sensor
A44
Temp sensor
Temp sensor not connected or
badly connected to pipe (DHW mode)
Check the sensor
F43
Exchanger protection acti-
vation.
No system H2O circulation Check the circulating pump
Air in the system Vent the system
F51
Low water
Low water fault Check boiler installation and water level
F52
Heating sensor fault
Sensor damaged Replace the sensor
F53
Temp sensor
High limit thermostat error Check the sensor. Check boiler installation
A61
Controller ABM08A fault
Controller ABM08 internal error
Check the ground connection and replace the
controller if necessary.
A62
No communication between
controller and gas valve
Controller not connected Connect the controller to the gas valve
Valve damaged Replace the valve
A63
Controller ABM08A fault Controller ABM08A internal error
Check the ground connection and replace
the controller if necessary.
F64
A65
F66
A23
Card parameter fault Wrong card parameter setting
Check the card parameter and modify it if
necessary.
A24
F20
F21
F40
F47