SOLENOID VALVE (L1) COIL. - continued
(3) Check for continuity between each solenoid valve (1) terminal 1 and 2 and coil casing. If continuity is
found the coil is grounded and must be replaced.
(4) If continuity checks are satisfactory, apply 28 volts do across solenoid valve coil (1) terminals 1 and 2.
Listen for a sharp click when the valve changes position. If a click is not heard, internal valve problems
are indicated and the entire valve should be replaced. Notify supervisor.
(5) If all checks are satisfactory, connect wire leads to solenoid valve coil (1) using tags and wiring diagram
Do not attempt any disassembly of the solenoid valve other than coil removal with
a refrigerant charge in the system. Refrigerant will be sprayed out dangerously if
the screws that attach the tube and plunger assembly to the valve body are
The only authorized repair to solenoid valve is coil replacement. The coil can be
replaced without opening the refrigeration pressure system.
(1) Tag and disconnect wire leads from the solenoid valve coil (1).
(2) Remove nut (2), data plate (3), and coil (1).
(3) Place coil (1) and data plate (3) onto valve body and secure with nut (2).
(4) Connect wire leads to solenoid valve coil (1) using tags and wiring diagram (figure 4-6). Remove tags.