The controller features a three-digit LED display and four tactile control buttons:
When the system detects zero activity for a pre-defined period (typically 2 hours), it transitions into Saving Mode.
: The cooler is at "operational" temperature. Lights are on, and the system is ready for customers.
Condenser coil temperature has exceeded the HT parameter limit. Usually caused by a blocked condenser matrix, failed condenser fan, or extreme ambient room temperatures. elstat ems 55 advanced user manual new
For technical service or detailed diagrams, you can find the EMS-55 Advanced Controller Overview or the Full Installation and User Guide on Scribd .
: The primary temperature sensor is short-circuited or disconnected. The controller defaults to a safe duty cycle (e.g., 5 minutes on, 5 minutes off).
Press and hold for 3 seconds to save the new value. The display will flash to confirm retention. Press Back twice to return to the default temperature view. 4. Sensor Calibration and Defrost Profiles The controller features a three-digit LED display and
: Clears only the self-learning memory (opening/closing schedule).
The primary air temperature sensor is open or short-circuited. Check wiring continuity.
When the EMS 55 Advanced encounters an operational fault, it displays specific codes. Use this matrix to identify and fix issues: Alarm Code Meaning / Issue Corrective Action Cabinet Probe Failure Condenser coil temperature has exceeded the HT parameter
To access the programming menu, press and hold the button for five seconds until the display reads PS (Password). Use the arrow keys to enter your advanced engineering password (factory default is typically 22 or 55 ) and press Set again. Critical Parameter Reference Table Parameter Name Description Default Range Recommended Setting SP Target product temperature during Active Mode. 2°C to 10°C 3.5°C (Beverages) DIF Differential
: 3-digit LED interface display matched with four discrete buttons ( Set , Up , Down , Defrost ).
IP65 (Front panel only when installed with the rubber gasket) Electrical Profiles Power Supply: 100–240VAC, 50/60Hz Compressor Relay: 16A Resitive / 10FLA (Flexible Load Amps) Fan Relay: 5A Inductive Auxiliary/Light Relay: 5A Inductive Sensor Input Configuration
The EMS 55 is a microprocessor-based controller designed for refrigeration units. It manages the compressor, fan motors, and defrost cycles. It features an LED display, three control buttons, and a system light.
: Optimized specifically for both open-front and glass-door beverage chillers ( GDM formats). Step-by-Step Advanced Menu Authorization