Specifications

TACO BELL STEAMER TBS-2X & TBS-1X
14
P/N 1010698 Rev. E 03/04
15
TACO BELL STEAMER TBS-2X & TBS-1X
P/N 1010698 Rev. E 03/04
TROUBLESHOOTING (continued)
Problem Possible Cause(s) Corrective Action
Unit only leaks water when pow-
ered off.
Solenoid Valve is leaking due
to debris trapped within its
plunger and seat.
Disassemble the Solenoid Valve and clean
out the plunger. Reassemble and test. If the
a leak is still present, replace the Solenoid
Valve.
Solenoid Valve is installed
incorrectly.
If the Solenoid Valve was replaced, verify
that the “IN” and “OUT” labels on the valve
correspond to the water flow.
Unit only leaks water when pow-
ered on.
Control Board inoperable or
problematic.
If 24 VAC is measured across the Solenoid
Valve Coil for over 2 seconds (with wires
still attached to the coil), replace the Control
Board.
No heat and the green ready light
flashes continuously.
Generator is “open.” Verify that there are 13 Ohms for a 208 volt
generator and 17.5 Ohms for a 240 volt gen-
erator (plus or minus 1 Ohm). Replace if the
generator fails test.
Solid State Relay not closing. Verify that there is 7-10 VDC on relay
terminals 3 (+) 4(-). If present, check for line
voltage across relay terminals 1 and 2.
If present, replace the relay.
Control Board inoperable or
problematic.
Verify that there is 7-10 VDC on terminals
T5 & T3. If not present, replace the Control
Board.
Loose, burnt, or broken wires
in heater circuit.
Repair or replace wires.
Circuit is wired incorrectly. Verify that all wiring matches the Wiring
Diagram in this manual.
Unit does not operate, power switch
is on but light is off.
Unit unplugged. Plug Power Cord into the appropriate outlet.
Circuit breaker is off. Reset the circuit breaker.
Power Cord defective or inop-
erable.
Check for continuity.
Power Switch defective or
inoperable.
Green “Ready” light and “Yellow”
steaming light turn on and off inter-
mittently.
Hi-Limit is tripping because of
an overheating Generator.
Verify that the generator surface tempera-
ture is between 380-420° F. If the tempera-
ture is above 420° F, contact your mainte-
nance person or Authorized Service Agency.
Hi-Limit is tripping prema-
turely.
If the Hi-Limit trips within 380-420° F,
replace the Hi-Limit thermostat.