emmeti MIRAI - SMI 4.0 Manual De Instrucciones página 139

10. CODES AND ALARMS ON PCB DISPLAY 1. DESCRIZIONE DEI COMPONENTI
Error Code Description
Discharge temperature
A1
error
Protective measure
A2 against detection of
excess direct current
A3 CT Disconnect
Protective measure
against detection of
A4
excess alternating
current
Unit Interested party
DISCHARGE TEMP.
SENSOR
Gas leakage
Operation not adjust-
able in overload
EH0618DC
EH1018DC
Supply voltage drop
EH1218DC
EH1618DC
EH1718D3 Supply voltage drop
EH0618DC
EH1018DC
MAIN PCB
EH1218DC
EH1618DC
EH1718D3 INVERTER PCB
Temporary power fail-
ure (in case of sparks)
COMPRESSOR
EH0618DC
EH1018DC
MAIN PCB
EH1218DC
EH1618DC
EH1718D3 INVERTER PCB
Operation not adjust-
able in overload
EH0618DC
EH1018DC
Supply voltage drop
EH1218DC
EH1618DC
EH1718D3 Supply voltage drop
Temporary power fail-
ure (in case of sparks)
Verification method Troubleshooting
Check the resistance DISCHARGE TEMP. SENSOR
with a tester [tables]. must be replaced.
Check the service Recover the refrigerant, then
valve and refrigeration recharge the prescribed mass.
circuit.
Correct the INSTALLATION
Check the INSTALLA-
position to avoid obstruction of
TION site (air intake
air intake and outlet.
If too much gas has been
and outlet obstruction).
charged, recover the coolant,
Check if too much gas
then recharge the prescribed
has been charged.
mass.
Check the supply volt- Make sure the supply voltage
age (230V). is correct (230V).
Check the supply volt- Make sure the supply voltage
age (400V). is correct (400V).
Run with the COM-
If the same error code occurs
PRESSOR connector
again, replace the MAIN PCB.
disconnected.
------- Replace the INVERTER PCB.
------- Remove and restore power.
Anomaly differs from
The COMPRESSOR must be
the cases described
replaced.
above.
------- Replace the MAIN PCB board.
------- Replace the INVERTER PCB.
Check the INSTALLA-
TION site (air intake Correct the INSTALLATION
and outlet obstruction). position to avoid obstruction of
Check if too much gas air intake and outlet.
has been charged
If too much gas has been
charged, recover the coolant,
then recharge the prescribed
mass.
Check the supply volt- Make sure the supply voltage
age (230V). is correct (230V).
Check the supply volt- Make sure the supply voltage
age (400V). is correct (400V).
------- Remove and restore power.
EN EN
139