Repair
44
313221A
Fluid Heaters
Pressure Transducers
2. Remove access cover (39) at back of con-
trol module to expose control board (406).
3. Disconnect transducer cables from J3 and
J8 at board; see F
IG
. 12, page 43. Reverse
A and B connections and check if status
code follows the bad transducer, page 27.
4. Reconnect good transducer to proper con-
nector. Disconnect failed transducer from
board, and unscrew from base of fluid
heater (heated units) or transducer mani-
fold (nonheated units).
5. Install o-ring (60) on new transducer (58),
F
IG
. 13.
6. Install transducer in heater or manifold.
Mark board end of cable with tape
(red=transducer A, blue=transducer B).
7. Route cable through channel to control
module.
8. Connect transducer cable at board; see
F
IG
. 12, page 43.
Fluid heater repair and parts
information is included in manual
311210, which is supplied with heated
units.
To replace a pressure transducer, see
at right.
1. See Before Beginning Repair, page 35.
Relieve pressure, page 22.
2. Control section of heater can be repaired in
place. Remove heater to clean fluid section.
See manual 311210 for heater repair and
parts.
1. See Before Beginning Repair, page 35.
Relieve pressure, page 22.
F
IG
. 13. Transducers
60
58
Heated Units
TI7026a