Primus DAM 9 - To Test Igniter (Gas Models); Ignition Control Grounding Check; To Test Electrical Circuit to Ignition System (Gas Models); To Test Sensor (Gas Models)

516514 55
Section 5 Service Procedures
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
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
To Test Igniter
(Gas Models)
1. Set test meter to read Ohms and put meter
probes on terminals of igniter wires.
2. Silicon Carbide Igniter – meter should read
between 45 – 200 Ohms. Refer to Figure 41.
Silicon Nitride Igniter – meter should read
49-88 Ohms.
If meter does not read appropriate Ohms, then
replace the igniter.
IMPORTANT: Always examine all wires,
terminals and connectors to be sure wiring is
proper before replacing any components.
Ignition Control Grounding Check
1. Set test meter to read Ohms and put probe on the
ground wire connection in 12-pin block
(connected to module) and the ground screw in
base of dryer.
2. Meter should read “zero” Ohms. If meter
registers an Ohm reading in any amount, check
ground wire connection and replace as
necessary.
To Test Electrical Circuit to Ignition System
(Gas Models)
1. Close gas shut-off valve. Refer to Figure 38.
2. Remove valve wire harness disconnect block
from the holding and booster coil. Refer to
Figure 42.
3. Plug dryer power cord into wall receptacle, and
start the dryer in a heat setting (refer to the
Operating Instructions supplied with dryer).
4. Set test meter to read AC voltage and apply
meter probes into terminals on the dryer harness
plug that would correspond to terminals "1" and
"2" on the coil. Refer to Figure 42. Meter should
register line voltage in all Fabric settings, except
FLUFF which should read “zero” VAC.
5. If meter does not read line voltage in step “f”,
check motor switch, thermostats, fabric switch,
accumulator, or timer.
To Test Sensor
(Gas Models)
1. Set test meter to read Ohms and put meter
probes on sensor terminals. Meter should read
“zero” Ohms. Sensor must be cold. If sensor is
hot, meter should read “infinite”.
2. If meter registers an Ohm reading of any
amount, replace sensor.