Temperature Monitor Control (Tmc) - Red Light On Solid - Norcold 2118 Manual De Servicio

Fault Codes, cont'd.

Temperature Monitor Control (TMC) - Red Light on Solid

Red light on TMC is
ON solid
Inspect for cooling unit
leak.
1. Carefully remove insulation canister
and insulation from around boiler
(A).
2. Visually inspect exposed boiler area
for any powdery, yellow residue
indicating leaking chromate (B).
3. Smell around boiler area for
ammonia.
Is yellow,
powdery residue
visible?
No
Can you
smell ammonia?
No
Using litmus paper, inspect boiler area
for leaks.
Did litmus
paper indicate a
leak?
No
C
Go to TMC Lockout State on next
page.
www.norcold.com
From Previous Page
REPLACE COOLING
Yes
Yes
Yes
B
1. Remove the insulation canister (A) and
remove the insulation.
UNIT
2. Inspect for powdery, yellow residue (B).
Example of Chromate Leaking
Red arrows
pointing to yellow,
powdery residue -
indicates chromate
leak
21
Removing Insulation
B
SERVICE MANUAL
A