Page 108 SteamCraft 10 Service Manual, Chapter 6 Models 24-CGA-10 and 24-CEA-10
IT:4-3 Do the burners and fan motor shut off when the dial reaches the zero mark?
IT:4-4 Does the timer keep accurate time?
IT:4-5 Does the buzzer sound for approximately three seconds when the timer is zeroed?
Failure of any of three components could prevent the buzzer from sounding.
1. Check the dial mechanical timer according to component test
CT:13.
2. Check: the 3-second timer according to component test
CT: 14.
3. Check the buzzer according to component test
CT:15.
Repeat
Phase
4 tests IT:4-1 through IT:4-5 for the lower compartment control panel.
1. Set the upper compartment timer dial to the zero position.
2. Cool the water in the steam generator to preheat temperature by running a partial
blowdown cycle.
a. Set the ON/OFF switch to the OFF position for one minute. This will drain
about a half of the hot water from the steam generator.
b. Set the ON/OFF switch back to the ON position. This will replace the drained
hot water with cool water.
3. Perform Phase 4 mechanical timer testing using the lower compartment control
panel
Phase 4 testing is complete for Units with Mechanical Dial Timer Control Panels.
ELECTRONIC KEY PAD TIMER TEST SEQUENCE
IT:4-6 Does the control panel digital display light when the TIMED/MANUAL switch is set to the
TIMED position?
Failure of the electronic timer or its power transformer prevent the digital display
from lighting.
1. Check the timer transformer according to component test
CT:16.
2. Check the electronic timer module according to component test
CT:17.
Cleveland Range, Inc.
Printed 3/93
Replace the Timer
Replace the Timer
