Table 4-2. Unit Troubleshooting - CONT.
TEST OR INSPECTION
CIRCULATING PUMP MOTOR RUNS HOT (CONT).
Remove rings, bracelets, wristwatches, neck chains, and any other jewelry before working around Heater.
Jewelry can catch on equipment and cause injury, or may short across an electrical circuit and cause
severe burns or electrical shock.
Remove screws and pump motor cover. Connect power cable and turn generator on (page 2-20).
Check for 120 Vac at two wire connections (T1 and T3) and 208 Vac at one connection (T2).
If correct voltage is not present at all three connections, disconnect power source and replace
wire(s) found not having correct voltage.
If correct voltage is present at all three connections, replace pump motor (page 4-277).