Troubleshooting Sheet
Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (°C--K) 
°C 
°F 
K Ohm 
°C 
°F 
K Ohm 
°C 
°F 
K Ohm 
°C 
°F 
K Ohm 
-20  -4  115.266  20  68  12.6431  60  140  2.35774  100  212  0.62973 
-19  -2  108.146  21  70  12.0561  61  142  2.27249  101  214  0.61148 
-18  0  101.517  22  72  11.5  62  144  2.19073  102  216  0.59386 
-17  1  96.3423  23  73  10.9731  63  145  2.11241  103  217  0.57683 
-16  3  89.5865  24  75  10.4736  64  147  2.03732  104  219  0.56038 
-15  5  84.219  25  77  10  65  149  1.96532  105  221  0.54448 
-14  7  79.311  26  79  9.55074  66  151  1.89627  106  223  0.52912 
-13  9  74.536  27  81  9.12445  67  153  1.83003  107  225  0.51426 
-12  10  70.1698  28  82  8.71983  68  154  1.76647  108  226  0.49989 
-11  12  66.0898  29  84  8.33566  69  156  1.70547  109  228  0.486 
-10  14  62.2756  30  86  7.97078  70  158  1.64691  110  230  0.47256 
-9  16  58.7079  31  88  7.62411  71  160  1.59068  111  232  0.45957 
-8  18  56.3694  32  90  7.29464  72  162  1.53668  112  234  0.44699 
-7  19  52.2438  33  91  6.98142  73  163  1.48481  113  235  0.43482 
-6  21  49.3161  34  93  6.68355  74  165  1.43498  114  237  0.42304 
-5  23  46.5725  35  95  6.40021  75  167  1.38703  115  239  0.41164 
-4  25  44  36  97  6.13059  76  169  1.34105  116  241  0.4006 
-3  27  41.5878  37  99  5.87359  77  171  1.29078  117  243  0.38991 
-2  28  39.8239  38  100  5.62961  78  172  1.25423  118  244  0.37956 
-1  30  37.1988  39  102  5.39689  79  174  1.2133  119  246  0.36954 
0  32  35.2024  40  104  5.17519  80  176  1.17393  120  248  0.35982 
1  34  33.3269  41  106  4.96392  81  178  1.13604  121  250  0.35042 
2  36  31.5635  42  108  4.76253  82  180  1.09958  122  252  0.3413 
3  37  29.9058  43  109  4.5705  83  181  1.06448  123  253  0.33246 
4  39  28.3459  44  111  4.38736  84  183  1.03069  124  255  0.3239 
5  41  26.8778  45  113  4.21263  85  185  0.99815  125  257  0.31559 
6  43  25.4954  46  115  4.04589  86  187  0.96681  126  259  0.30754 
7  45  24.1932  47  117  3.88673  87  189  0.93662  127  261  0.29974 
8  46  22.5662  48  118  3.73476  88  190  0.90753  128  262  0.29216 
9  48  21.8094  49  120  3.58962  89  192  0.8795  129  264  0.28482 
10  50  20.7184  50  122  3.45097  90  194  0.85248  130  266  0.2777 
11  52  19.6891  51  124  3.31847  91  196  0.82643  131  268  0.27078 
12  54  18.7177  52  126  3.19183  92  198  0.80132  132  270  0.26408 
13  55  17.8005  53  127  3.07075  93  199  0.77709  133  271  0.25757 
14  57  16.9341  54  129  2.95896  94  201  0.75373  134  273  0.25125 
15  59  16.1156  55  131  2.84421  95  203  0.73119  135  275  0.24512 
16  61  15.3418  56  133  2.73823  96  205  0.70944  136  277  0.23916 
17  63  14.6181  57  135  2.63682  97  207  0.68844  137  279  0.23338 
18  64  13.918  58  136  2.53973  98  208  0.66818  138  280  0.22776 
19  66  13.2631  59  138  2.44677  99  210  0.64862  139  282  0.22231 










