Freestyle 2 Series - Troubleshooting

VERIFY PROPER OPERATION AFTER SERVICINGVERIFY PROPER OPERATION AFTER SERVICING
Failure to adhere to these guide-
lines can result in severe per-
sonal injury, death or substantial
property damage.
ELECTRICAL SHOCK HAZARD
TURN OFF ALL POWER TO THE BOILER WHEN
SERVICING
. Internal wiring is still powered when
the switch is o.
DO NOT JUMPER DEVICES
Never jumper (bypass) any device except for mo-
mentary testing.
REINSTALL Jacket door
e boiler jacket door must be securely fastened to
the boiler to prevent boiler from drawing air from
inside the boiler room. is is particularly important
if the boiler is located in the same room as other ap-
pliances. Failure to keep the jacket door securely fas-
tened could result in severe personal injury or death.
BEFORE SERVICING or
MAKING CONNECTIONS —
ALWAYS TURN POWER OFF TO THE BOILER
TO PREVENT ELECTRICAL SURGES, WHICH
CAN DAMAGE BOILER COMPONENTS.
LABEL WIRES BEFORE
REMOVING
Label all wires prior to disconnection
when servicing controls. Wiring errors
can cause improper and dangerous
operation.
Before calling for troubleshooting assistance, ll in
the “
FreeStyle
®
Boiler Startup Data Collection
Sheet
” (page136). Record the boiler size and Con-
sumer Protection (CP) number (located on the le side
exterior of the boiler jacket).
Part number 550-142-950/0122
89
FreeStyle
®
series 2 wall mount gas-fired water boiler – boiler manual
37 Troubleshooting
Tool Purpose
#2 Phillips screwdriver
Multiple uses
10 mm wrench
Remove heat exchanger cover plate
#20 long-handled Torx
driver
Remove burner screws
T-40 Torx driver
For gas valve adjustment
4mm Allen wrench
For gas valve Highre adjustment
Multimeter
Measurements on sensors and electrical components
Manometer
(Inclined or digital)
Measures the INLET gas pressure to the boiler
Combustion analyzer
(Digital preferred)
Combustion testing and boiler adjustments
Contact thermometer
Checking surface temperatures of heat exchanger and
pipes
Check the following:
1. Make sure thermostat is calling for heat and contacts (including
appropriate zone controls) are closed. Make sure all external limit
controls are either installed (and closed) or temporarily jumpered
for testing.
2. Make sure that connectors to control are securely plugged in at
module and originating control.
3. Gas pressures:
y Maximum: 13” w.c. with no ow (gas valve lockup pressure).
y Minimum: must be no less than the minimum values given
on page14 while operating on high re.
BEFORE TROUBLESHOOTING —BEFORE TROUBLESHOOTING —
1. Check for 120VAC (minimum 102VAC to maximum 132VAC)
to boiler.
2. Check the FreeStyle
®
control for error codes.
3. See Figure80,page62 for navigation instructions and the pages
following for the display key identication.
Hold reset button for 20 seconds:
y TS Flashing (parameter)
y Push heating – button
y IN ashing (information)
y Push heating – button
y HI ashing (history/fault)
y Push “Reset” once
y Push + to scroll error codes, refer to error code list Table 3,
page92.
To exit out, hold reset button for 20 seconds.
Figure 113 Tools and kits needed for troubleshooting.