Equipment/Electronics Workbenches/ReflowOven/RiskAssessment

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Risk assessment form for Reflow Oven

Reflow Oven

Activity

Thermal reflowing of solder on printed circuit boards

Hazard identification

Consider the hazards involved in conducting this activity and list each hazard

1. Fire

2. Burns

3. Trapped body parts

4. Other trapped items

5. Harmful Fumes

Persons at risk

Consider who might be put at risk by the hazards listed above

  • The user is subject to 1, 2 and 3 and 5.
  • The space and all occupants are subject to 1, 3, 4, 5.

Initial assessment of risk

Hazard identified Severity Probability Risk Factor (Severity x probability)
Fire 5 1 5
Burns 3 2 6
Trapped body parts 3 1 3
Other trapped items 2 1 2
Harmful Fumes 2 3 6

Categorising the risk level as 1-4(Low), 5-9(Moderate), 10-15(High) or 16-25 (Unacceptable) shows that the potential level of risk in this activity is Moderate. Further measures are needed to reduce the risk to a low level.

Control measures

  • Necessary control measures arising from the hazard identified of Fire are:
    • Don't leave the machine running unattended.
  • Necessary control measures arising from the hazard identified of Burns are:
    • Always use handle to open drawer, do not touch any elements inside machine.
    • Allow PCB to cool after reflowing
  • Necessary control measures arising from the hazard identified of Trapped body parts and Other trapped items are:
    • Only use the handle to close drawer and keep body parts and other items clear of the drawer when closing
  • Necessary control measures arising from the hazard identified of Electric Shock are:
    • Annual PAT test
    • Carry out a visual check and check the test date before use.
  • Necessary control measures arising from the hazard identified of Harmful Fumes are:
    • Advise users to stay clear of machine during automatic operation.
    • Observe LCD and machine contents during entire reflow procedure and stop machine and operate main space extractor fans should any hazardous material start to burn or smoke

Final assessment of risk

The assessed risk taking into account the implementation of the control measures listed, and adherence to the SSOW (Safe System of Work) if applicable is as follows:

Hazard identified Severity Probability Risk Factor (Severity x probability)
Fire 5 1 5
Burns 3 1 3
Trapped body parts 1 1 1
Other trapped items 1 1 1
Harmful Fumes 1 1 1

When completing Risk Assessment please consider if First Aid assistance might be appropriate if the calculated Risk level (Severity x Probability) is greater than 5

The risk now falls into the category LOW and is considered to be acceptable.

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