11.2 Fault analysis
Error code E0: EEPROM error
Is the EEPROM correctly mounted on the cir-
cuit board?
NO
Correctly mount the EEPROM on the circuit
board
YES
Replace indoor unit circuit board
Error code E2: Communication error between indoor unit and outdoor unit
Switch off power to the system for 1 minute, re-
establish power supply, start system
YES
Is the communication line correctly wired?
NO
Correctly wire communication line
YES
Has shielded cable been used?
NO
Use shielded cable
YES
Is a fixed resistor (120 Ohm) installed on the
last indoor unit in the series?
NO
Install fixed resistor (120 Ohm) on the last
indoor unit in the series
YES
Is the power supply to all units OK?
NO
Ensure correct power supply
YES
Check the circuit board on the indoor unit or
outdoor unit and replace if necessary
REMKO MVV...DC
48
Summary of Contents for MVV 1200 Dc
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