Vendo V-MAX 576, Parts And Service Manual

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T-7
POSSIBLE PROBLEM POSSIBLE CAUSE SERVICE SUGGESTION
Compressor will not start,
condenser fan motor
running - unit hot (power to
compressor) Starting relay or capacitor
inoperative Check relay or capacitor,
replace.
Compressor inoperative Disconnect power to vendor,
remove all leads from
compressor, check continuity
from “common”, “start” and
“run” to compressor case. If
continuity shows, replace
compressor. Also check
from “common to start”
(using continuity or IHMS). If
meter fails to show reading
replace compressor.
Compressor starts but does
not run Will not cycle Check overload and contact,
replace overload if
necessary.
Starting relay stays closed Replace relay.
Compressor motor problem Check, replace.
Compressor runs but
cabinet temperature warm Loss of refrigerant Replace refrigeration unit.
(Note: Any work of this
nature done without express
permission from The Vendo
Company can void
refrigeration unit warranty.)
Condenser fan not working Check circuit to run motor.
Replace motor. Check for
obstruction of fan blade.
Blocked or dirty condenser
(Refer to initial installation in
the service manual) Check condenser vanes for
obstruction, lint or dirt.
Clean, also check for proper
air flow through refrigeration
area.
Evaporator fan not working Check circuit to fan motor.
Replace motor, also check
for obstruction of fan blade.
Bad inner door seal Check for moisture on seal.
Adjust inner door as
necessary (See initial set-up
of service manual). Replace
door seal.