the 200 Amp power supply unit has 2 fans total (see below)
service_manual - service manual can be found here.
Power Supply Fan -
the external power supply module needs 2 fans below:
24Vdc/0.07A; 80x25mm; 3 wire lock rotor (pulse sensor); 36.4 CFM; Sanyo Denki 109R0824H4011 originally. Replacement: 9A0824H4D01 from digikey ($9/each)
P/S
P/S
P/S
P/S
P/S
P/S