Hill-Rom Advanta P1600, Service Manual

Page: 77 / 429

Function Checks
Chapter 2: Troubleshooting Procedures
Advanta™ Bed Service Manual (man168ra) Page 2 - 11
2
Table 2-1. Service Required LED Flash Codes
Number
of Long
Flashes
Number
of Short
Flashes
Indicated Fault Possible Cause Corrective Action
1 2 Stuck key Defective key panel
(upper tier assembly)
(see table 5-16 on page
5-45). Replace the key panel (see
“Footboard Control Panel—
P.C. Boards and Cables” on
page 4-37).
1 4 Shorted input
bus Defective footboard
interface P.C. board. Replace the defective foot-
board interface P.C. board
(see “Footboard Interface
P.C. Board” on page 4-109).
2 1 Slow leak Loose hose or hole in
air bladder. Locate the cause of the leak,
and correct as necessary. See
“ZoneAire® Sleep Surface
Slow Leak—Error Code 2-
1” on page 2-33.
2 2 Continuous run
error, or possible
faulty flow
direction valve. The air compressor
runs continuously for
more than 10 minutes. Determine the cause (see
“ZoneAire® Sleep Surface
Continuous Run—Error
Code 2-2” on page 2-35).
2 3 Triac (switch on
the air control
board) short
error Triac shorted. Determine the cause of
short, and replace the valve
(see “ZoneAire® Sleep Sur-
face Triac Short—Error
Code 2-3” on page 2-38).
2 4 EEPROM error Shorted or open com-
munication line
between control cir-
cuit and pressure sens-
ing circuit. Determine the cause of
shorted or open line (see
“ZoneAire® Sleep Surface
Sensor EEPROM—Error
Code 2-4” on page 2-39).
2 5 Mattress con-
nection error Electrical connection
between the control
circuit and the pres-
sure sensing circuit is
disconnected. Reconnect the harness (see
“ZoneAire® Sleep Surface
Mattress Disconnected—
Error Code 2-5” on page
2-42).