HTP MODCON1000, Установка, Запуск, Обслуживание, Запчасти, Гарантия

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65
LP- 428 REV. 9.2.14
Fault Code F06
RETURN TEMP HIGH F06
PUMP ON
This display indicates that the return temperature of the boiler
is excessive. If accompanied by the red FAULT light and
LOCKOUT flashing on the display, the return sensor
temperature has exceeded 230
o
F and a serious safety issue
exists. The boiler will not restart until the cause of excessive
temperature is repaired by a technician and the boiler is
RESET.
If the red FAULT light is not illuminated, then the return tem-
perature of the boiler is at or above 210
o
F. The message will
clear automatically when the temperature drops below 194
o
F.
During the time that this message or lockout fault is displayed,
the pump will be on as indicated on the second line.
1. Check circulator pump operation.
2. Assure that there is adequate flow through the
boiler by accessing the status menu and assuring that
there is less than a 50°F rise from the return
thermistor to the supply thermistor.
3. Check the direction of flow on boiler circulator. (See
Piping Details in this manual.)
4. Troubleshoot thermistor by following steps in
F02 .
Fault Code F09
NO FLAME ON IGN F09
PUMP ON
The boiler tried to ignite four times during one heat call
and failed. The red FAULT light and LOCKOUT will flash
on the display. This code indicates a serious safety
issue. The boiler will not restart until the cause of ignition
failure is repaired by a technician and he pushes the
RESET button on the display. During this lockout fault,
the pump will remain on as indicated on the second line
of the display.
1. Watch the igniter through the observation window
provided.
2. If there is no spark, check the spark electrode for the
proper .156” (3.96 mm) gap (See Figure 29).
3. Remove any corrosion from the spark electrode and
flame rectifier probe.
4. If there is a spark but no flame, check the gas supply to
the boiler.
5. If there is a flame, check the flame sensor.
6. Check any flue blockage or condensate blocks.
Fault Code F10
FLAME LOSS F10
The flame was lost while the
boiler was firing 3 times during 1
demand call. The red light will
display and the word LOCKOUT
will flash. This code indicates a
serious safety issue. The boiler
will not restart until the cause of
flame loss is determined by a
technician and he pushes the
RESET button on the display.
During this lockout fault, the
pump will be on as indicated on
the second line of the display. 1. Monitor the gas pressure to the boiler while in operation.
2. Assure that the flame is stable when lit.
3. Check to see if the display readout changes from “GAS VALVE ON” to “RUN”
within a few seconds after the boiler ignites.
4. Check the FLAME signal on the status display. It should be above 1.0 when the
boiler is firing.
5. If the signal reads less than 1 microampere, clean the flame rectifier and spark
probe.
6. If the problem persists and the ‘FLAME” signal is still less than 1.0, replace the
flame probe and spark igniter probe.
7. The flame signal should be steady after the boiler has been firing for 1 minute
and is normally at 5.0 to 9.0. If the flame signal is not steady, disassemble the
burner door and check the burner and its sealing gaskets.
Fault Code F11
FALSE FLAME SIG F11
PUMP ON
There is flame when the control is
not telling the boiler to run. The
red light will display and the word
LOCKOUT will flash. This code
indicates a serious safety issue.
The boiler will not restart until the
cause is determined by a
technician and he pushes the
RESET button on the display.
During this lockout fault, the
pump will be on as indicated on
the second line of the display. 1. Look into window. If there is flame, turn the gas off to the boiler at the service
valve and replace the gas valve.
2. If the flame signal on the status menu is greater than 1.0 when the burner is not
lit, replace the spark igniter and the flame rectification probe.
3. If the flame return sensor is not present after turning off the gas supply, check
the gas valve electrical connection.
4. Repair condensate system as necessary. If condensate has backed up and
partially filled the combustion chamber, the refractory wall may be damaged and
should be replaced.
5. Turn the gas on at the service valve after corrective action is taken.
6. If the refractory wall falls against the rectifier probe, it may conduct the signal to
ground, giving a false reading.
Fault Code F13
FAN SPEED ERROR F13
PUMP ON
The fan is not running at the speed that the con-
trol has commanded it to run at. The fan speed
had been more than 30% faster or slower than
the commanded speed for more than 10 sec-
onds. The red light will display and the word
LOCKOUT will flash. This code indicates a
serious safety issue and the boiler will not restart
until the cause is determined by a technician and
he pushes the RESET button on the display.
During this lockout fault, the pump will be on as
indicated on the second line. 1. Check the combustion air fan wiring.
2. Measure the DC voltage from the red fan wire to ground while it
is connected to the fan. It should be between 24 to 40 volts. If it is
lower than 24 volts, check for excessive external loads connected to
the boiler sensor terminals. Disconnect the 5 pin plug from the fan
and check the voltage on the red wire again. If it is now between 24-
40 volts, replace the fan. If it is still below 24 volts replace the boiler
control board.
Fault Code F15
FLAP CLOSED F15 Flapper valve physically stuck closed.
1. Check flue system for obstructions.
2. Check proper communication between boilers.
3. Check operation of flapper valve.
4. Check wiring between valve and controller.
5. Replace valve-flapper.