Fisher & Paykel 635 Active Smart, Service Manual

Page: 16 / 145

321144
16
2 SERVICING REQUIREMENTS
2.1 Specialised Service Tools
For the servicing of this product, specialised tools are needed.
2.1.1 Static Strap
To be used as ESD protection when replacing any of the electronic boards.
2.1.2 Interface Light Pen Mk 2
Used in conjunction with a diagnostic programme on a laptop computer to retrieve and download data from
the electronic power/control module.
2.2 Health & Safety
2.2.1 Good Work Practices
1. Take care while removing all plastic components, especially when cold.
2. Leave the product clean and tidy when service work is completed.
3. Extreme heat in cabinets will cause plastic deterioration or distortion and thermal fuses in the
evaporator to go open circuit (be careful with heat guns).
2.2.2 Environmental Health And Safety
When servicing products, consider health and safety issues and requirements that must be adhered to at all
times. Specific safety issues are:
1.
Electrical safety.
2. Electrostatic discharge.
3. Mixing of foam insulation.
4. Vapours while brazing.
5. Reclaiming of refrigerant.
2.2.3 Good Practice And Safety
1. Take care when removing or servicing all electrical components to avoid electrical shock or short
circuit conditions.
2. Take care when removing plastic components at low temperatures as breakages can occur with these
components.
3. Extreme heating of plastic components can cause distortion of those parts being heated.
4. Avoid overheating temperature sensitive devices such as the element thermal fuses and cabinet
sensors.
5. Avoid using solvents and citrus-based cleaners on all plastic parts. We advise only warm soapy water
be used.
CAUTION – R600a REFRIGERANT (ISOBUTANE)
Some models of refrigerators contain R600a refrigerant within the sealed in system. This refrigerant is
flammable. All care must be taken when servicing these products. Vent well before brazing. Avoid any
open flames or ignition source.