Error Codes - mundoclima AEROTHERM MAM-V9 Serie Manual De Usuario E Instalacion

13.4 Error codes

When a safety device is activated, an error code will be displayed on the user interface.
A list of all errors and corrective actions can be found in the table below.
Reset the safety by turning the unit OFF and back ON.
In case this procedure for resetting the safety is not successful, contact your local dealer.
ERROR MALFUNCTION
CODE OR PROTECTION
Flow switch error (E8
displayed 3 times)
Phase sequence fault(only for
threephase unit)
Communication error between
user interface and main
control board of hydraulic
module
The backup heater exchanger
outlet water temperature
sensor（T1） error
The domestic hot water
temperature sensor (T5) error.
The condenser outlet
refrigerant temperature sensor
(T3)error.
The ambient temperature
sensor (T4) error.
FAILURE CAUSE
AND CORRECTIVE ACTION
1.The wire circuit is short connected or open. Reconnect the
wire correctly.
2.Water flow rate is too low.
3. Water flow switch is failed, switch is open or close
continuously, change the water flow switch.
1.Check the power supply cables should be connected stable,
to avoid phase loss.
2.Check the power supply cables sequence, change any two
cables sequence of the three power supply cables.
1.wire doesn't connect between wired controller and unit.
connect the wire.
2.Communication wire sequence is not right. Reconnect the
wire in the right sequence.
3. Whether there is a high magnetic field or high power
interfere, such as lifts, large power transformers, etc..
To add a barrier to protect the unit or to move the unit to the
other place.
1. The T1 sensor connector is loosen. Reconnect it.
2.The T1 sensor connector is wet or there is water in. remove
the water, make the connector dry. Add waterproof adhesive.
3.The T1 sensor failure, change a new sensor.
1.The T5 sensor connector is loosen. Reconnect it.
2.The T5 sensor connector is wet or there is water in. remove
the water, make the connector dry. Add waterproof adhesive
3.The T5 sensor failure, change a new sensor.
1. The T3 sensor connector is loosen. Reconnect it. 2.The T3
sensor connector is wet or there is water in. remove the water,
make the connector dry. Add waterproof adhesive
3. The T3 sensor failure, change a new sensor.
1. The T4 sensor connector is loosen. Reconnect it. 2.The T4
sensor connector is wet or there is water in. remove the water,
make the connector dry. Add waterproof adhesive
3. The T4 sensor failure, change a new sensor.
161