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Defrost Indication
During defrost icon 4 will be illuminated. The controller display will be determined by the value set in parameter 'DDM' .
To start a defrost manually press and hold button 3 for 5 seconds. This will turn off the appliance. Continue to hold down button 3 after the
appliance has turned off. After a further 2 seconds the display will indicate a defrost has commenced (icon 4 illuminated) and the button can be
released. While the defrost function is operating the display will be determined by the value set in parameter DDM.
The defrost function will operate until either the time set in parameter DTO or the temperature set in parameter DLI is reached. Where parameter
TE is set to NO defrost will function on a time basis only. Upon completion of the defrost cycle the appliance will resume normal operation with
the current temperature displayed.
Relay Test
The controller contains a relay test function to enable the service engineer to operate individual relays, or a combination of relays for diagnostic
purposes.
To access the relay test:
- Place the controller in standby so that button 3 is pulsing
- Press button 3 once so that buttons 1, 2 and 4 are activated and flashing
- Press and hold buttons 2 and 4 for 5 seconds until the display shows 'rLy' and buttons 1 to 5 are all illuminated
The controller is now in relay test mode.
To activate relay 1 press button 1. Icon 1 will illuminate. To deactivate relay 1 press button 1 again and icon 1 will switch off.
To activate relay 2 press button 2. Icon 3 will illuminate. To deactivate relay 2 press button 2 again and icon 3 will switch off.
To activate relay 3 press button 4. Icon 4 will illuminate. To deactivate relay 3 press button 4 again and icon 4 will switch off.
To activate relay 4 press button 5. Icon 8 will illuminate. To deactivate relay 4 press button 5 again and icon 8 will switch off.
Multiple relays can be activated simultaneously to enable diagnostics.
Relay function:
Relay 1 - Red icon - Compressor
Relay 2 - Green icon - function determined by parameter SR1. Evaporator Fan
Relay 3 - White icon - function determined by parameter SR2. Where appliance has active defrost SR2 to will be set to DEF for defrost.
Relay 4 - Amber icon - function determined by parameter RL2.
To exit the relay test function press button 3 once.
Factory Reset
Where the controller was originally programmed by Foster and is dedicated to a specific appliance type it is possible to return the setting to they're
original programmed state. If the controller was not programmed by Foster this function will return the parameters to the values in the original
factory settings.
To reset the parameters:
- Press button 3 to activate the display
- Press button 1 to enter the user level menu
- Press button 2 until the display shows 'rFp'
- Press button 3 once and 'rFp' will flash
- Press and hold button 3 for 3 seconds until the display shows 'End'
The original parameters as described above have now been restored.
If at any point the sequence of button operations and display indications are not completed the controller will, after 30 seconds resume operation
with no changes to the parameters having been made.
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