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Johnson AEROTERMIA AURUM R32 Serie Manual De Instrucciones página 116

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Idiomas disponibles

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E94
Water Pump Feedback Failure
Abnormal Communication between
E96
Compressor One Driver and Main
Control Board
Abnormal Communication between
E97
Compressor Two Driver and Main
Control Board
Abnormal Communication between Fan
E98
Motor One Driver and Main Control
Board
Abnormal Communication between Fan
E99
Motor Two Driver and Main Control
Board
Fault Protection Instructions
1. The machine stops running when a fault is detected;
2. When the fault is removed, the compressor is shut down for three minutes before the machine
can be put back into operation;
3. If there are three consecutive low-pressure faults, high-pressure fault, over the current spot, and
gas exhaust temperature too high within 30 minutes, the machine will immediately stop running.
After the fault is rectified, turn the power on again, start the controller, and the device can be put
into operation.
4. If the machine stops running due to the inlet water temperature sensor or the coil temperature
sensor fault due to compressor protection, the device will have to be back into operation 3mins
later after the spot is removed. If the ambient temperature sensor fails, the machine continues to
run.
Maintenance Instructions
1. The machine is equipped with an inspection needle valve on the suction and exhaust pipes. The
maintenance personnel can connect the pressure gauge to check the high and low-pressure
conditions of the system.
2. If the machine is filled with refrigerant under operating conditions, the refrigerant must be served
at the needle valve of the low-pressure side. Suppose the refrigerant is added to the suction side.
In that case, the refrigerant opening must be small so that the refrigerant in the refrigerant bottle
slowly enters the system to prevent liquid slamming.
3. Refrigerant leakage detection
Check if there is any leakage at the joints with soapy water or a refrigerant leak detector. When a
refrigerant leak occurs, the leak point must be found, and the leak point must be repaired. Please
ensure no refrigerant or other pressures are left in the system when improving the leak point.
Otherwise, it will easily cause copper pipe explosive during welding. The tube is blasted by
refrigerant pressure or additional pressure, causing accidental injury to the operator.
Note: When refrigerant leakage occurs in a small space, open all vents or forced ventilation to
discharge the refrigerant before performing related operations to prevent people from suffocating
accidents.
Damaged DC pump or poor signal
line contact
Poor or broken signal cable contact
Poor or broken signal cable contact
Poor or broken signal cable contact
Poor or broken signal cable contact
49
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