Elstat ems55advanced Troubleshooting Quick Manual

ems55advanced - Troubleshooting
Quick Guide
User interface
Note: The motion sensor is integrated with the ems controller
(ems55advanced) or remote (ems55Radvanced).
LED indicators
On when the compressor is
Compressor.
running.
On when the evaporator fan is
Fan.
running.
Saving mode
On if the saving mode
temperature
temperature is disabled.
disable.
Motion. On when motion detected.
Buttons
Set Up
Defrost
Down
(Starts a manual
(Also cancels alarms)
defrost)
ems55advanced-TCCC-Troubleshooting-Quick-Guide-Iss4
Power up sequence
Checks all the display elements
1
are working.
Displays the firmware version.
2
(Example)
Displays the checksum.
3
(Example)
Normal operation
During normal operation the EMS will display one of the messages
below. If one of the below messages is not displayed the EMS has
registered and alarm or fault.
Ready mode
(Displays USE or temperature)
Saving mode
Defrost mode
Door open
Freeze up protection
If evaporator frozen, ensure appliance sensor is
connected properly. Disconnect appliance sensor and
ensure display shows PF1. Otherwise, replace the
controller.
Alarms and troubleshooting
The EMS controller can display messages to aid fault diagnosis. If an
alarm sounds and the EMS controller displays any of the alarms
below, contact your service provider.
Refrigeration system failure
Condenser high temperature alarm (requires a
condenser sensor)
Appliance sensor failure
Condenser sensor failure (if used)
Evaporator sensor failure (if used)
Over voltage alarm (SHI) or under voltage alarm
(SLO), if used.
Note that the compressor does not run in over or
under voltage conditions.
Door open alarm
Cooler
lights do If EMS controller is in the ready mode, ensure
not switch that the light switch inside the cooler switched on.
on
No power Check for 12 to 13VAC at the rear connector of
the ems controller.
Elstat, Astra Business Centre, Roman Way, Preston, Lancashire, PR2 5AP, United Kingdon
Telephone: +44 (0) 161 22 77 200
www.elstatgroup.com