Foster EPREM 1/2H, Service Manual

Note.

The condenser probe is no longer fitted as in previous model.  
The ‘Condenser Clean’ and ‘Service Due’ warnings will not be displayed as the parameters are set to ‘0’ and 
therefore switched off. 
The diagnostics is no longer incorporated as in previous models so functions SF010, SF020 and SF030 will not be 
displayed. 
 

Service Adjustments

The controller has three ‘Service’ modes – the Output Relay Test function, the Model Selection Function and the 
individual Parameter adjustments. These features are accessible only from the ‘Service Main Menu’. 
 

Service Main Menu.  
 

Press any button (1, 2, 3 or 4)  
 

Press button 4 ‘Service’ for the ‘Service Menu’. 

Press button 3 ‘Settings’ for the ‘Settings Menu’. 
 
 
Press button 2 ‘+’ to advance the code number to ‘131’ if you go beyond 
the number press button 1 ‘-‘ to lower to the correct number. 
 
Press button 3 ‘OK’ to enter the ‘Service Main Menu’. 
 
To exit the ‘Service Main Menu’ and return to the ‘User Main Menu’ press 
button 4 ‘<<’. If no further buttons are pressed for one minute the 
controller will revert to the normal operating mode.  
 

Out-Put Relay Test 
 

Whilst in the ‘Service Main Menu’ press button 1 ‘Test’ all 
relays will de-energise and the screen opposite will be 
displayed.  

To test relay 1 ‘Condensing Unit Relay’ press button 1. 
Relay 1 will energise. 

 
To test relay 2 ‘Evaporator Fan Relay’ press button 2. 
Relay 2 will energise.  

To test relay 3 ‘Defrost System Relay’ press button 3. 
Relay 3 will energise. 
 
To test all three relay outputs press buttons 1, 2 and 3 
together. All three relays will energise. 
 
To exit the ‘Output Relay Test Menu’ and return to the ‘User Main Menu’ press button 4 ‘<<’. If no further buttons 
are pressed for one minute the controller will revert to the normal operating mode.  
 

Model Selection Function

The ‘Model Selection Function’ allows the controller to be set during manufacturing, or replacement, to the most 
appropriate model range with the accompanying default setting values. There are eleven temperature default 
models which are:- HIGH TEMP-D (High Temperature with Door Switch), HIGH TEMP (High Temperature without 
Door Switch), LOW TEMP-GD (Low Temperature with Hot Gas Defrost and Door Switch), LOW TEMP-G (Low 
Temperature with Hot Gas Defrost without Door Switch), LOW TEMP-ED (Low Temperature with Electric Defrost 
and Door Switch), LOW TEMP-E (Low Temperature with Electric Defrost without Door Switch), MEAT TEMP-GD 
(Meat Temperature with Hot Gas Defrost and Door Switch), MEAT TEMP-G (Meat Temperature with Hot Gas 
Defrost without Door Switch), FISH TEMP. (Fish Temperature without door switch), WINE TEMP. (Wine 
Temperature with door switch), HEATED CAB. (Heated Temperature without door switch). 

All controllers arrive from the manufacturer with the HIGH TEMP-D settings if any other setting is required the 
following procedure should be followed. 
 

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