Service manual

505894 19
Section 3 Troubleshooting
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the dryer(s) before servicing.
• Close gas shut-off valve to gas dryer(s) before servicing.
• Never start the dryer(s) with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the dryer is properly grounded.
W001R1
WARNING
IGNITION CONTROL FLASHES (continued)
FLASH CODE POSSIBLE CAUSE TO CORRECT
Seven Flashes Loose or disconnected wiring. • Check all wiring leading to, or coming from,
the control module for secure connections.
Sensor and/or appliance not properly
grounded.
• Check grounding from control to base, and
from lead in cord to dryer.
Rapid Flashing Incorrect frequency. • Contact a professional electrician to check the
frequency, and correct any problems. Power
supply must be 50 – 60 Hz. 2-wire, plus
grounding (earth) wire.
Figure 1
WR
WHITE - ROGERS DIV.
EMERSON ELECTRIC CO.
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER
BEFORE SERVICING
DISCONNECT POWER BEFORE
SERVICINGGDGHDHJD DHJD DHD HD
HD HD HDGFJGFKGK GFJHGJ FHFH
F KJFJF KH GJHJF JDAPALS DK KF
DISCONNECT POWER BEFORE
SERVICING SERVICEING OK
IMPORTANT
DIAGNOSTIC INDICATOR
MODEL 50A72-203.
WARNING
WR
Control
Red
Light
D194SE3D