3
7.5
Notes on fault elimination
DANGER!
The elimination of faults must be carried out only by qualified and well trained professionals.
Malfunctions relating to the electrical installation must only be repaired by authorized personnel or
by your Defensor representative's service technician.
Repair work and the replacement of faulty components must be carried out only by your Defensor
representative's service technician!
For the elimination of faults set the Defensor PH15/PH15A out of operation, sepa-
rate the unit from the mains and secure it against inadvertent power-up.