Emerson ZX - Operation & Set-up of the Diagnostic Module and the Defrost Module (Options); The Diagnostic Module

13.0 Operation & Set-up of the Diagnostic Module and the
Defrost Module (Options)
13.1 The Diagnostic Module
The Diagnostic Module is an option that conveys the unit operating and fault status by displaying
five LED’s in various combinations. The module (Fig.19) is located on the left hand side of the
electrical mounting panel. The LED’s can be viewed by simply removing the front compressor
compartment cover.
Buzzer ( now sold separately )
Remote Buzzer Connection
Dialer Connection
LED’s (D1 to D5)
10 Pin Communication Connector ( to E2
Board)
Fig.20 Diagnostic Module details
Fig 6. is repeated overleaf for ease of reference :
40