Service Manual

43 of 48 © 2015 680_D - 10/15
1. Find: If the control shows the Warning Symbol on the screen, it is indicating a problem on the system.
2. Identify: Press the Warning Symbol to view the error code.
3. Solve: Use the chart below to match the error code to the one on the control. Use the description to solve
the problem.
Error Messages (1 of 4)
Description
SETPOINTS MENU SAVE ERROR
The control failed to read the Setpoints menu settings from memory and has reloaded the factory default settings. The control
stops operation until all settings in the Setpoints menu are checked.
To clear the error, set the access level to Installer and check all settings in the Setpoints menu.
SYSTEM SETUP MENU SAVE ERROR
The control failed to read the System Setup menu settings from memory and has reloaded the factory default settings. The
control stops operation until all settings in the System Setup menu are checked.
To clear the error, set the access level to Installer and check all settings in the System Setup menu.
BOILER SETUP MENU SAVE ERROR
The control failed to read the Boiler Setup menu settings from memory and has reloaded the factory default settings. The control
stops operation until all settings in the Boiler Setup menu are checked.
To clear the error, set the access level to Installer and check all settings in the Boiler Setup menu.
MIXING SETUP MENU SAVE ERROR
The control failed to read the Mixing Setup menu settings from memory and has reloaded the factory default settings. The control
stops operation until all settings in the Mixing Setup menu are checked.
To clear the error, set the access level to Installer and check all settings in the Mixing Setup menu.
BAS MENU SAVE ERROR
The control failed to read the BAS menu settings from memory and has reloaded the factory default settings. The control stops
operation until all settings in the BAS menu are checked.
To clear the error, set the access level to Installer and check all settings in the BAS menu.
LOW PRESSURE ALERT
The system pressure has dropped below the Low Pressure Warning setting. This could indicate that the snow melting system
has a leak. Fix any leaks and ensure that the glycol solution has not been diluted with water.
To clear the error, press the Cancel button while viewing the warning message.
MAX MELT DAYS ERROR
The control has operated in melting for the time set by Maximum Melt Days setting located in the System Setup menu. This error
is usually created when there is a mechanical system failure resulting in the snow melt slab not heating correctly.
Clear the error message by touching the Cancel button while viewing the error message. Use the Manual Override menu to
manually check that each component of the mechanical system is operating correctly.
If necessary, change the Maximum Melt Days setting to a longer time period or to Off.
OUTDOOR SENSOR OPEN CIRCUIT ERROR
Due to an open circuit, the control is unable to read the Outdoor Sensor 070 on terminals 14 and 15. This error also occurs when
the BAS system has failed to communicate the outdoor temperature parameter.
The control continues to operate and assumes an outdoor temperature of 32°F (0°C). Energy saving features such as Warm
Weather Shut Down (WWSD) and Cold Weather Cut Off (CWCO) are disabled.
Check the outdoor sensor wire for open circuits according to the sensor installation manual. It may be necessary to replace the
outdoor sensor. Once the error has been corrected, the error message automatically clears.
OUTDOOR SENSOR SHORT CIRCUIT ERROR
Due to a short circuit, the control is unable to read the Outdoor Sensor 070 on terminals 14 and 15.
The control continues to operate and assumes an outdoor temperature of 32°F (0°C). Energy saving features such as Warm
Weather Shut Down (WWSD) and Cold Weather Cut Off (CWCO) are disabled.
Check the outdoor sensor wire for short circuits according to the sensor installation manual. It may be necessary to replace the
outdoor sensor. Once the error has been corrected, the error message automatically clears.
Troubleshooting
!
It is recommended to complete all wiring to ensure trouble free operation. Should an error occur, simply follow these steps: