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+--- Thread: Rooftop condenser fans not running (/showthread.php?tid=9812)
Rooftop condenser fans not running - Endless Summer - 05-20-2013 16:36
I'm just getting around to digging into the dash air on my new to me bus. I note that neither fan on the front rooftop unit for the dash air are operating when I turn on the AC, which of course does not blow cold. Is there a low pressure switch in the system, and does it have control over the rooftop fans?
Thanks
RE: Rooftop condenser fans not running - davidbrady - 05-20-2013 17:07
Steve,
The location of the relays involved may be in this document: 1987 Chassis Wiring, located in our Document Library at this location Document Library > Years > 1987.
RE: Rooftop condenser fans not running - Endless Summer - 05-20-2013 17:40
Thanks David. It looks like, from those diagrams, that the rooftop condenser has its own exclusive fuse, which in turn gets its power from the ignition hot relay, in the center load center. I'll check that fuse tomorrow.
RE: Rooftop condenser fans not running - davidbrady - 05-21-2013 10:12
That's great Steve, please let us know what you come up with. Thanks!
RE: Rooftop condenser fans not running - Endless Summer - 05-21-2013 14:00
(05-21-2013 10:12)davidmbrady Wrote: That's great Steve, please let us know what you come up with. Thanks!
Corrosion on the trip terminal on the condenser motor relay. All fine now, at least as far as that part goes. Don't you just love free fixes?