Cleveland SteamCraft 10 Service Manual page 126

Page 120 SteamCraft 10 Service Manual, Chapter 6
IT:4-3 Do the heater contactors and heaters 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?
Repeat Phase 4 tests IT:4-1 through IT:4-5 for 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?
Printed 3/93
Replace the Timer
Replace the Timer
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.
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 not 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.
Failure of the electronic timer or its power transformer will prevent the digital
display from lighting.
Check the timer transformer according to component test CT:16.
1.
2. Check the electronic timer module according to component test CT:17.
Models 24-CGA-10 and 24-CEA-10
Cleveland Range, Inc.