Frigoboat Milano - Page 20

Frigomatic Milano Manual v1 PAGE 19
10.3 - COMPRESSOR DOESN'T RUN
Chap.
Cause
Diagnosis and Remedy
13.3.1
You are to anxious, not
Wait at least a minute without disconnecting,
giving enough time to the
the main switch and with the thermostat
unit.
on position 7.
13.3.2
Wrong connections.
Checks connections.
13.3.3
Thermostat switched OFF.
Check thermostat knob position.
OR
Wrongly connected.
Check thermostat connections.
OR
Defective.
Bridge terminal "T" and "C" thermostat.
If the compressor then starts, leave the bridge.
Run and stop the system using the external
(panel) switch (See 11.1.1). As soon as you
can replace the thermostat as it is broken.
It the compressor doesn't start, call the
Authorized Frigoboat Service.
13.3.4
Loose fuse.
Check the fuse on the yacht panel.
OR
Defective or blown fuse.
Check the fuse on the panel and the
terminals and replace the fuse if needed.
Should the new fuse blow again replace the
controller. Do not connect a defective controller
to a new compressor.
Do not exceed the 15 AMP rated value of the
fuse (normal automobile fuse).
13.3.5
Voltage too low.
Charge the battery (run the engine).
13.3.6
Defective controller
If the controller is doing its start attempt every
30 seconds and the comrpessor is not starting,
replace the controller with a new one.
13.3.7
Defective compressor.
If a new controller is not capable to start
the compressor check with a tester the
electrical continuity between the
compressor terminals. Ohm value should
be the same for all the terminals of the
compressor.
13.3.8
Compressor temperature
You have to wait till the compressor
below freezing temperature.
temperature rises.
10.4 - COMPRESSOR MAKES START ATTEMPTS BUT IMMEDIATELY STOPS
Chap.
Cause
Diagnosis and Remedy
Disconnect the unit for 10 minutes
13.4.1
Self sealing coupling
If unit doesn't start after the rest, check the
non scrwed tight
capillary quick connect is screwed correctly.
13.4.2
Voltage drops too low
Check all connections if loose and/or
when the unit starts.
corroded. Check cables and replace t hem
if undersized.
13.4.3
Fan or pump relay
Disconnect fan or pump relay from controller
defective.
terminals "F" and "C" .If the compressor starts
Wrongly connected.
after disconnection, replace the fan (or the
pump) motor (See 6.1.3).
WARNING: The electronic controller checks the voltage also during the compressor
starting attempts. For this reason the wiring should be dimensioned to 15A draw for 12V