WittRock Integris 2002, Service Manual

Page: 44 / 452

2.6 Limit Switch for the Bed Receptacle or Patient Light is Inoperative
Chapter 2: Troubleshooting Procedures
2.6 Limit Switch for the Bed Receptacle or Patient Light is
Inoperative
SHOCK HAZARD:
Use care when checking live voltages. Do not touch live terminals,
wires, and ground. Failure to use caution will cause serious electrical
shock injury.
1. The building circuit breaker is in the ON position (see figure 2-1 on page
2-7).
Yes No
↓ →
Reset the circuit breaker to the ON position.
2. Testing shows 109 to 125V AC between the terminal and the lug of the
circuit breaker.
Yes No
↓ →
Replace the circuit breaker according the manufacturer’s
instructions.
3. Testing shows 109 to 125V AC between the terminals on the bed
receptacle.
Yes No
↓ →
Repair or replace the wires between the circuit breaker and the
bed receptacle.
4. The voltage reads from 109 to 125V AC between the short slot and the
long slot of the bed receptacle. The voltage also reads from 109 to 125V
AC between the short slot and ground on the bed receptacle.
Yes No
↓ →
Replace the bed receptacle (refer to procedure 4.2).
5. The bed receptacle indicator light is on.
Yes No
↓ →
Replace the bed receptacle indicator (refer to procedure 4.2).
6. Applying upward pressure to the patient light turns voltage off at the bed
receptacle, and releasing the upward pressure restores voltage at the bed
receptacle.
Yes No
↓ →
Replace the inoperative limit switches after testing for continuity
in the closed position, and for infinity in the open position. See
the Integris® B Lite Rail Service Manual (man139). If this
Page 2 - 12 Integris® 2002 Headwall System Service Manual (man142rb)