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Troubleshooting
It is recommended to complete all wiring to ensure trouble free operation. Should an error occur, simply follow these steps:
1. Find: If the Heatronic 4000 flashes
2. Identify: Press & hold the Home button for 3 seconds to view the available menus. Tap the NEXT ITEM button to locate the
Toolbox Menu & press ENTER to view the toolbox menu items. The Error code should appear as the first item. The troubleshooting
tips will then marquee across the Item field.
3. Solve: Using the lookup chart below, match the Error code to the one on the control. Use the Description & Troubleshooting
Tips in the chart to solve the problem.
Error Messages (1 of 3)
Error Message
CONTROL SETUP FAILURE
The control failed to read the Setup menu settings, & reloaded
factory default settings. Operation stops until this error message
is cleared.
To clear, press the 'CLEAR' button while viewing this warning
message.
PRIMARY SUPPLY SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the boiler
supply sensor. As a result, & if available, the control operates
using the primary return sensor. If the primary return sensor is
unavailable, operation stops. The error message self clears once
the error condition is corrected.
PRIMARY RETURN SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the
boiler return sensor. If the primary supply sensor is available,
the control will operate normally. If the primary supply sensor
is unavailable, the control can only operate to satisfy indirect
DHW if its located in the near boiler piping (i.e. IDHW Location
= Near). The error message self clears once the error condition
is corrected.
DHW SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the
DHW sensor. As a result, the control stops operation for DHW
heating (indirect or direct DHW). The error message self clears
once the error condition is corrected.
OUTDOOR SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the
outdoor sensor. As a result, the control assumes an outdoor
temperature of 32°F (0.0°C) & continues operation. The error
message self clears once the error condition is corrected.
FLUE SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the vent
sensor. If the Flue Maximum is set to a temperature, the control
stops operation. If the Flue Maximum is set to Off, the control
continues operation. The error message self clears once the
error condition is cleared.
BOILER (#) OUTLET SENSOR ERROR
OPEN or SHRT displays on the screen.
Due to an open or short circuit, the control failed to read the
boiler (#) outlet sensor. The error message self clears once the
error condition is cleared.
Heatronic 4000
on the screen, it is indicating a problem on the system.
Description
54 of 60
Troubleshooting Tips
RESET DEFAULTS,
VERIFY ALL SETTINGS
CHECK PRIMARY SUPPLY SENSOR,
CHECK PRIMARY SUPPLY SENSOR
WIRING
CHECK PRIMARY RETURN
SENSOR,
CHECK PRIMARY RETURN
SENSOR WIRING
CHECK DHW SENSOR,
CHECK DHW SENSOR WIRING
CHECK OUTDOOR SENSOR,
CHECK OUTDOOR SENSOR
WIRING
CHECK FLUE SENSOR
CHECK FLUE SENSOR WIRING
CHECK BOILER (#) OUTLET
SENSOR,
CHECK BOILER (#) OUTLET
SENSOR WIRING
BTC461503101C | 6720810369 (2018/03)
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