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– Set power switch on back of the unit to its OFF position and unplug power cord from receptacle.
– Replace blown fuse on HPR12DC416UL, HPR12DC616UL or HPR12DC416CE as follows:
•Remove the six screws holding the front panel and remove the front panel.
•It is not necessary to remove unit from rack.
•Do not attempt to remove cover.
•Replace blown line fuse (right side wall of supply).
•Replace and secure front panel.
– Plug power cord into receptacle.
– Set power switch on back of unit to its ON (RESET) position.
3.
If any of the 16 green LEDs do not illuminate after power switch is set to ON:
– Set power switch on back of unit to the OFF position and unplug power cord from receptacle.
– Remove field wiring to affected circuits and check for shorts and overloads.
– Replace field wiring after resolving any shorts and/or overloads.
– Replace blown fuse on HPR12DC616UL, HPR12DC416UL & HPR12DC616CE as follows:
•Remove the six screws holding front panel and remove front panel.
•It is not necessary to remove unit from rack.
•Do not attempt to remove cover.
•Replace blown fuse(s) on afftected circuit(s).
•Replace and secure front panel.
– Plug power cord into receptacle.
– Set power switch on back of unit to its ON (RESET) position.
– The PTCs on the HPR12DC416CBUL, HPR12DC616CBUL & HPR12DC616CBCE will reset automatically
while power is off.
– Plug power cord into receptacle.
– Set power switch on back of unit to the ON (RESET) position.
HPR12DC416UL(CB), HPR12DC616UL(CB) Installation Document P/N 52995:A 5/31/06
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