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To avoid the risk of injuries, or damage to the unit, never:
Sit on the Davey heat pump, or place a heavy object on it;
Put objects in, or on the protective grid.
The Davey heat pump requires professional maintenance and repair. Any “do-it-yourself” repairs on a
unit within warranty period, may void the remainder of the manufacturer’s warranty. Maintenance, or
adjustments other than those recommended in this owner’s manual should not be attempted. Contact
Davey for any questions, or problem you may have with your unit.
8. TROUBLE SHOOTING FOR COMMON FAULTS
8.1 Repairing Guidance
- Please refer to the technical service manual for more information on service and maintenance procedures.
WARNING: Improper installation, adjustment, service, maintenance or use can cause
re, electrical shock or other conditions which may cause injury or property damage.
Consult a qualied technician or service agency for information or assistance. All
service calls under warranty should be authorized by Davey Water Products.
Prior to servicing
1. Servicing shall be performed only as recommended by the manufacturer and in accordance with this manual.
2. Ensure there are no potential ignition sources near the work area.
All maintenance staff and others working in the local area should be instructed on the nature of work being
carried out. Work in conned spaces should be avoided. The area around the workspace should be sectioned
off. Ensure that all conditions within the area have been made safe by control of ammable material.
3. Always check the work area with an appropriate refrigerant detector prior to and during work, to ensure the
technician is aware of potentially toxic or ammable atmospheres.
4. Ensure that the leak detection equipment being used is suitable to use with R32 gas.
5. If any hot work is to be conducted of the refrigeration equipment or any associated parts, appropriate re
extinguishing equipment should be available. A dry powder or CO2 re extinguisher should be adjacent to
the charging area.
Any maintenance or service needs to be carried out in compliance with
national gas regulations.
Qualication of workers
A technician with a Refrigerant Handling Licence should carry out any service or
maintenance carried out on the heat pump refrigerant equipment.
A registered electrician should carry out any service or maintenance required for the
heat pump electrical equipment.
8.2 Failure solution and code
Failure Reason Solution
Heat pump doesn’t run
No power Wait until the power recovers
Power switch is off Switch on the power
Fuse burned Check and change the fuse
The breaker is off Check and turn on the breaker
Fan running but with
insufcient heating
Evaporator blocked Remove the obstacles
Air outlet blocked Remove the obstacles
3 minutes start delay Wait patiently
Display normal, but no heating
Set temp. too low Set proper heating temp.
3 minutes start delay Wait patiently
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