Service manual

80 505894
Section 7 Test Procedures
© 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
75. HEATER ASSEMBLY (Electric Models)
a. While supporting the access panel, remove two
screws from bottom edge of access panel. Refer
to Figure 7.
b. Gently lower the access panel to disengage
panel locators from bottom edge of front panel.
Refer to Figure 16.
c. Disconnect wires from heater assembly. Refer
to Figure 21.
NOTE: Refer to wiring diagram when rewiring
heater assembly.
d. Set meter to read Ohms. Apply meter probes to
the heater assembly terminals. Refer to
Figure 21. Meter should read as follows: (Cold
Ohms).
76. CYCLING OR LIMIT THERMOSTAT
a. While supporting the access panel, remove two
screws from bottom edge of access panel. Refer
to Figure 7.
b. Gently lower the access panel to disengage
panel locators from bottom edge of front panel.
Refer to Figure 16.
c. Label and disconnect wires from thermostat.
Refer to Figure 21.
NOTE: Refer to wiring diagram when rewiring
thermostat.
Cycling Thermostat (S.P.S.T. – 2 Terminals)
or Limit Thermostat
d. Set meter to read Ohms.
(1) Apply meter probes to the thermostat
terminals.
(2) Meter should read “zero.”
77. DOOR SWITCH
a. While supporting the access panel, remove two
screws from bottom edge of access panel. Refer
to Figure 7.
b. Gently lower the access panel to disengage
locators from bottom edge of front panel. Refer
to Figure 16.
c. Remove two screws holding bottom tabs on
front panel to dryer side panels. Refer to
Figure 8. Swing bottom of front panel away
from dryer far enough to disengage hold-down
clips and locators from cabinet top.
d. Disconnect wires from door switch. Refer to
Figure 15.
NOTE: Refer to model wiring diagram when
rewiring door switch.
e. Set meter to read Ohms and apply meter probes
on switch terminals 1 and 3 with door closed.
You should get “zero” reading.
f. Apply probes to terminals 1 and 2 with door
closed. The meter should read “infinite”.
g. Open door. Meter should read “infinite”
between 1 and 3 and “zero” between 1 and 2.
Heater
Element
Color
Code
KW Voltage/Hz. Resistance Reading
Red 5 240 V 60 Hz. 10.39 ± .31 Ohms Cold
White 4.75 208 V 60 Hz. 8.2 ± .5 Ohms Cold
Green 4.8 240 V 50 Hz. 10.75 ± .32 Ohms Cold
Yellow 4 240 V 50 Hz. 13.03 ± .39 Ohms Cold
Blue 3.1 240 V 50 Hz. 16.7 ± .5 Ohms Cold
Orange 5.35 240 V 60 Hz. 9.72 ± .3 Ohms Cold
Purple 4.25 208 V 60 Hz. 9.27 ± .3 Ohms Cold