153.80 | The isolation unit did not turn on. | See Isolation unit service check. |
153.81 | The isolation unit did not turn off. |
153.82 | The isolation unit speed did not ramp up to the required level. |
153.83 | The isolation unit stalled. |
153.84 | The isolation unit ran too slow. |
153.85 | The isolation unit ran too fast. |
153.86 | The isolation unit did not run at the correct timing. |