BRUEL & KJAER 2221 - Service and Repair; Maintenance and Repair Guidelines

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6. SERVICE AND REPAIR
Types 2221 and 2222 are designed and constructed to provide the user with many years
of reliable operation. However, should a fault occur which impairs their correct function,
then their internal batteries should be removed to prevent risk of further damage. For
repair consult the separate Service Instruction Manual available for the Types 2221 and
2222
or contact your local B & K service representative. Under no circumstances should
repair be attempted by persons not qualified in the service of electronic instrumentation.