Metos Multigen - 43. Fault Finding Continued; Pre-Service Checks; Warranty Period Checks

12.09.05 rev 1.0
38
43.
Fault Finding cont.
The two tables below are a guide for authorised technical personnel and should only be carried out by a competent electrician.
Table one refers to checks that should be made before placing any service calls.
TABLE ONE
PROBLEM EXPLANATION POSSIBLE CAUSE
No green LED No power to the trolley. Power supply failure.
ACTION Check power supply to wall socket.
No green LED No power to the trolley. Power supply failure.
ACTION Check connections in the plug.
No green LED No power to the trolley. Power supply failure.
ACTION Check power supply cable for any damage and continuity.
Table two refers to checks that can only be carried out by Authorised technical personnel during the period of warranty.
TABLE TWO
PROBLEM EXPLANATION POSSIBLE CAUSE
No green LED No power to the trolley. Line fuse blown.
ACTION Find and rectify cause for the failure, then replace the line fuse.
No green LED No supply from the
transformer.
Transformer safety fuse blown.
ACTION Find and rectify cause for the failure, then replace transformer safety fuse.
Green LED on but
No display
Internal oven high limit
thermostat tripped.
Temperature in the oven chamber has exceeded 195°C /
383°F.
ACTION Find and rectify cause of over temperature, then reset the oven high limit thermostat
Green LED on but
No display
Thermal refrigeration switch
tripped
Condenser fan blocked or not working
ACTION clean or replace condenser fan and replace thermal fuse
Green LED on but
No display
Internal motor safety switch
has tripped.
Motor overheat
ACTION Find and rectify cause for the failure. The thermostat will automatically reset when the
temperature of the motor cools down